The concept of a corporate psychopath is eerily recognizable, depending on your work history. It’s also notoriously misunderstood. The archetype of the manipulative, self-serving manager has regularly resurfaced in popular culture for decades, but concrete evidence supporting the wider concept is debatable. For example, a research study went viral in 2016 after estimating upwards of 1-in-5 business employees fit the “psychopath” bill, only to be retracted two years later. Additionally, psychiatrists widely agree that only about 1 percent of the general population truly can be considered clinically psychopathic.

That said, many of the people determined to claw their way to the top of the company ladder display at least some of the trademark psychopathic behaviors. Many theorists have convincingly argued this has a lot to do with corporate capitalism’s foundational principles, which leave it easily exploited by the most ruthless and manipulative among us.

Clive Boddy, one of the world’s foremost investigators of corporate psychopathy, recently took this idea to its logical historical conclusion. In a study recently published in the Asian Journal of Business Ethics, Boddy reviewed one of toxic corporate leadership’s earliest documented examples—and he makes today’s nightmare coworkers sound tame in comparison.

Who was Jeronimus Cornelisz?

Meet Jeronimus Cornelisz, an all-time contender for World’s Worst Boss. According to archival accounts, the 17th century Dutchman Cornelisz embodied every core corporate psychopath characteristic over 400 years ago while working for the conglomerate that started it all: the Dutch East India Company.

Established in Amsterdam in 1602, the Dutch East India Company is arguably the world’s first multinational, shareholder-owned company. It quickly amassed enough funds and power to rival most sovereign countries through the import and export of spices, tea, luxury items, coffee, wine, and enslaved populations. The Dutch East India Company eventually exerted enough influence to wage its own wars, mint its own currency, form colonies, as well as arrest and execute convicts.

All of this was made possible through a vast fleet of ships,but even the best outfitted vessels sometimes fell afoul of nature. In June 1629, a Dutch East India Company’s flagship called Batavia collided with a reef off the Western Australian coast. Nearly 300 survivors made it to the nearby island shores, but their remote location ensured they wouldn’t survive without help. The ship’s senior officers soon set off in an open longboat on a 1,900-mile journey to present-day Jakarta, then the Dutch East Indies’ capital. Before leaving, they appointed under-merchant Jeronimus Cornelisz to the top corporate position in their absence.

Mutiny, murder, and malignant narcissism

Unbeknownst to Batavia’s departing senior crew, Cornelisz had already spent weeks scheming on ways to incite a mutiny. The plan was to take control of the vessel then steer its copious stores of gold and silver to a new life. Cornelisz apparently viewed getting marooned as an inconvenient detour, and quickly got to work on his hostile takeover.

According to firsthand accounts, Cornelisz immediately consolidated power by swapping fellow council members with loyalists and requiring them to pledge an oath of allegiance to him. Next, he tricked suspected opponents under the direction of a soldier named Wiebbe Hayes to search a nearby island for supplies, then left them to die.

Although his revised plan required any impending rescue ship, Cornelisz’s ultimate goal remained the same—get as far away as possible, then start his own kingdom using riches plundered from Batavia. Over the ensuing months, Cornelisz directed his gang to kill more than 100 of the shipwrecked men, women, and children. Cornelisz often justified the murders under the pretense of conserving food and water, when in actuality he was continuing to eliminate perceived threats. Meanwhile, some of the surviving women were subjected to sexual abuse.

However, Cornelisz underestimated his abandoned compatriots. As the operatically psychopathic Cornelisz terrorized his group of survivors and scrounged for supplies, Hayes’ team reportedly discovered freshwater wells and hunted local wallabies, seals, and fish. The two sides subsequently squared off on multiple occasions after learning of each others’ continued existence until a rescue ship finally arrived in October 1629. After nearly three months, only about a third of Batavia’s original passengers and crew were left.

Cornelisz receives his company review

Management ultimately decided Cornelisz wasn’t internal promotion material, even by Dutch East India Company standards. Nearly everyone involved in his reign of terror was executed. As for Cornelisz and his closest loyalists, authorities eventually hanged them, but not before cutting off their hands.

The tragedy of the Batavia is an admittedly extreme case study, but Boddy argued that it illustrates how corporate structures have facilitated and encouraged psychopathic behaviors since the invention of the corporation itself.

“The same playbook we see in toxic workplaces today appears in this case from 1629,” he said. “He removed opponents, rewarded loyalists, created fear, manipulated followers and pursued power at any cost.”

A corporate (psychopath) case study

In recent years, some historians have expressed doubts about details in the Batavia saga after reviewing available evidence and recontextualizing cultural dynamics. Instead of focusing on the machinations of a single ruthless corporate psychopath, they contend Batavia is more accurately a case study in group desperation. But even when viewed under this lens, the chilling event is still a cautionary tale about corporate capitalism’s darker underpinnings.

“Perhaps the most striking finding is that another leader facing the same circumstances achieved completely different outcomes,” Boddy said. “This was effectively a natural experiment in leadership. One group prospered while the other descended into murder and abuse.”

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California is known for its giant, multi-laned highways bustling under bright blue skies. And while this infrastructure is useful to humans, the Golden State’s many highways represent an almost impenetrable barrier for wildlife.

Soon, habitats on either side of the 10-laned 101 Freeway in Agoura Hills, California will be reconnected thanks to the world’s largest wildlife crossing, according to the Los Angeles Times. The Wallis Annenberg Wildlife Crossing is scheduled for completion on December 2.

Wildlife crossings are structures that help animals safely cross roads. In the United States, collisions between motorists and large animals take place more than a million times a year. Experts estimate that this results in 400 human deaths every year. But the problem isn’t just road accidents. Habitat fragmentation is also a concern, especially for species that require a large range. Inbreeding can occur if a small enough group of animals becomes isolated. 

In the Los Angeles area, mountain lions (Puma concolor), also known as pumas or cougars, are currently the species most vulnerable to genetic isolation caused by roads and development, according to the project’s website. And the 101 Freeway appears to be the most important obstacle, out of all the roads in the area, to the region’s ecological health. 

As such, the Wallis Annenberg Wildlife Crossing aims to reconnect local plants and animals in the ecosystem of the Santa Monica Mountains.  It’s about 210 feet long and about 170 to 174 feet wide. A thick, sturdy-looking vegetation-covered bridge already straddles the busy freeway—but the weather might throw a wrench in the project’s schedule. 

“We’re just hoping El Niño‘s on our side,” Beth Pratt, president of the Wildlife Crossing Fund, tells the Los Angeles Times, in reference to the climate pattern that typically brings wetter winter weather along the United States’ southern border. Flooding would put work on pause, according to the outlet. “I keep saying, ‘Mother Nature, we’re trying to help you. Let’s not throw any more complications our way.’” 

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About 2,000 years ago, while Augustus ruled Rome, a leftover patch of ice in the Canadian Arctic stopped shrinking and began to grow. A team from the Lamont-Doherty Earth Observatory, part of Columbia University, argues that this turning point marked the beginning of the next glaciation, what most people would call the next ice age. […]

In 2001, archaeologists were painstakingly excavating a dwelling at the Bronze-Age site of Cladh Hallan in  the Outer Hebrides islands off of Scotland’s northwestern coast. The house had been oval in shape, with a low door leading to an interior hearth. Other conveniences included sunken storage areas and stone-lined water storage tanks. Under the floors of these houses, though, and under the feet of the occupants, was a fascinating feature that evokes the opening scenes of a classic horror film. 

As the archaeologists slowly dug through the floor of the structure, they came unexpectedly upon a human skeleton, legs tucked up in the fetal position. Another skeleton, similarly arranged, was found beneath a different roundhouse’s floor. These people had clearly been laid to rest with care, with stones laid out around them. 

When archaeologists began to study the remains, though, they were staggered to learn that each body’s parts had not all come from the same person. These were composite mummies, assembled with the remains of at least six people who had died over the span of two hundred years. But this wasn’t a jumbled-together macabre collection or evidence of a Bronze-Age serial killer. These bodies had been treated carefully and buried in stone-lined graves. So what were the people of Cladh Hallan doing with the dug-up remains of their ancestors? 

What was Cladh Hallan? And what mummies were found there?

More than four thousand years ago, early farmers began to work the soil on the Outer Hebrides islands off of Scotland’s northwestern coast. At the time, the Roman Empire and even ancient Greece were specks on the chronological horizon. Along the Aegean coast, Minoans and Mycenaeans were building palaces and cities. Farther north, Germanic tribes were exporting amber and expertly forging bronze and gold artifacts. 

At Cladh Hallan, early farmers grew barley, herded sheep, and foraged the abundant resources on the island’s beaches. Their descendants continued to thrive on the island for centuries, the population grew, and so did the need for land.

Nearly a thousand years into Cladh Hallan’s occupation, with living space on the small island becoming harder to find, people started building over the burial grounds of their ancestors. But the islanders were definitely aware of the graves beneath their feet—in fact, they went out of their way to acknowledge the people buried in them. 

Residents of Cladh Hallan dug down into these older burials containing both cremated and unburnt remains, removing some parts and leaving the rest undisturbed. Then they assembled the exhumed remains into the requisite anatomical combinations that modern archaeologists have found centuries later. Once this was done, the composite bodies were once again laid to rest under the foundations of the roundhouses. 

The best mummy finds at Cladh Hallan

The two best-known adult skeletons from Cladh Hallan are the most unusual. Each was found under a roundhouse. One skeleton was identified as male, the other female, based on their pelvic bones. The bodies date to between 1300 and 1500 BCE…mostly. 

The skeleton originally identified as a woman had a man’s skull where her own head used to be. Two of the teeth were missing from the skull, and those had been placed in each of the woman’s hands. By radiocarbon dating the bones, researchers found that the skull actually belonged to a man who had died at least a century earlier, perhaps a relative from an older generation. 

The body originally identified as male was put together from three different people—all confirmed as male through DNA testing. The burial was made up of a man’s torso, a second man’s skull, and a third man’s jawbone. Each of these men had died at different times over the span of about 150 years. Again, ancestry and family identity seem to play a big part in these re-burials. 

It isn’t terribly uncommon for cultures to include their deceased loved ones in celebratory, ritual, or even daily activities. Every few years, families in the Toraja region of Sulawesi, Indonesia exhume the remains of loved ones, clean them, dress them in fresh garments, and honor them with festivals. 

South Korean “death beads” are made from the cremated remains of family members and displayed in the home. 

Pre-colonial Inca religious tradition included regular ceremonial processions featuring the remains of people “buried” in natural alcoves in the Andes mountains and mummified by the dry, cold mountain air. The Cladh Hallan skeletons had once been mummified as well, though this was not mummification as it was practiced in ancient Egypt, nor like the mountainside Inca tradition. 

First, the bodies were tightly wrapped in fabric, which kept the bones and soft tissue flexed into the fetal position. This is why the limbs remained so tightly curled towards the torso, and why the bodies were so well-preserved. Archaeologists were able to identify this type of preservation based on microscopic changes to the surfaces of the bones from the acidic environment of the peat bogs in which the bodies were submerged after wrapping.

Why peat is so good at preserving bodies

Peat is a dense, wet accumulation of centuries of decaying plant matter, and is a feature of lots of landscapes, particularly in the northern latitudes. People have used dried peat as fuel for thousands of years, since it burns well and slowly, and is plentiful in areas where there aren’t a lot of trees for firewood. Peat from the Scottish isles, notably, is responsible for the smoky, earthy taste characteristic of Scotch whiskey. 

Peat bogs are so packed with plant material that there is almost no oxygen present, which is great for preservation, as is the typically cool temperature beneath the peat’s surface. The lack of oxygen keeps microbes and other critters from consuming the body’s soft tissues, and the tannic acid from all the decaying plants in the bog turns skin dark and leathery. 

By first burying the bodies of family members under layers of peat, the people at Cladh Hallan ensured that the remains would be as intact as possible when later generations exhumed them. This not only means that the Bronze Age inhabitants of the island were well aware of peat’s preservative properties, but that the entire process was a deliberate sequence of events. 

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But why did people in Cladh Hallan make these many-part mummies?

Archaeologists interpret the pieced-together reburials as a part of a social or religious tradition that emphasized family lines and reverence for ancestors. Stones clearly marked the graves under the roundhouses, so the homes’ placement was definitely on purpose. 

The initial bog burials were deliberately used as a source of family remains, and the parts that composed the buried skeletons seem to have been deliberately chosen, though we may never know why or how. It seems as though ancestor-recycling may have been a regular process at Cladh Hallan in the later part of the Bronze Age, as older generations gave way to new. 

Archaeologists also surmise that the exhumed mummified remains were initially kept above ground, maybe in a special place in the house, and included as a part of daily life. These multi-ancestor figures might have been consulted when important decisions were made, or they may have been seen as household protectors. 

Archaeology can never really uncover the full story of what people thought and believed thousands of years ago. Thoughts do not fossilize, and decay and weathering affect even the best-preserved archaeological sites. 

We will probably never know exactly what it was like to live at Cladh Hallan when it was a busy, thriving settlement. We may never understand how the people that lived there conceived of their world, or how they thought about spirituality. Thanks to the burials at Cladh Hallan, though, we have a tantalizing glimpse of how people may have seen death in their universe as a continuous, pieced-together chain of lives lived over generations. 

In That Time When, Popular Science tells the weirdest, most surprising, and little-known stories that shaped science, engineering, and innovation.

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A single bat colony contains hundreds or even thousands of the winged mammals. But with less-than-ideal eyesight and so many neighbors, how do mothers identify their pups amid the extremely crowded conditions? Writing in a new study published today in the journal Frontiers in Ethology, researchers say it often comes down to the subtle, unique vocalizations emitted by their individual offspring. To assess their responses, the team relied on an even more delicate biological signal—the mother bat’s own heartbeat.

The investigation began when biologists at Japan’s Doshisha University noticed a surprising—but consistent—behavior among the Japanese house bats (Alionoctula abramus) in their laboratory colony. Whenever a pup wandered too far from its roosting area, only its mother raced to the rescue.

“We knew that pups emit isolation calls—acoustic distress signals—when separated. But seeing this strict behavioral selectivity made us wonder: what is happening inside the mother when she hears these calls?” recalled study co-author and Doshisha University biologist Kazuki Yoshino-Hashizawa.

To learn more, Yoshino-Hashizawa and his colleagues monitored four mother bats who each recently birthed a litter of three pups. Some of the litters only contained females, so they decided to exclude the young males from the study to avoid sex-based variations. At two days old, the team recorded clips of the female pups’ tiny isolation calls. These function like the cries from a human baby, and each vocalization has its own unique tones.

However, Japanese house bats grow quickly. The new generation started making echolocation calls at about eight days old, and they ceased isolation calls after around 12 days. After roughly one month, they began flying like adults and set off on their own within the colony. The researchers then recorded their adult echolocation calls, as well.

Around 40 days after the pups’ birth, the team isolated each mother and played them the various audio clips while monitoring their heart rates using an ECG machine. As a control, they also played the recording of a random adult male bat. The study’s authors quickly saw that a mother bat’s heart rate sped up when they heard cries of their own pups, but not the pups that belong to other bat moms. Surprisingly, the mother bats’ heart rates boosted the most from recordings of the older, independent pups. Researchers theorize this might relate to the bats’ memory of more recent calls, but that idea requires more study to confirm.

Still, don’t get overly sentimental. The team also recorded strong heart rate reactions when the mothers heard calls from the random adult male. It’s possible the bats interpreted the sounds as a threat, but the team stopped short of categorizing the reactions as good or bad.

“‘[Heart rate measurement] cannot distinguish between positive emotions, such as maternal motivation, and negative ones, such as stress or alarm,” Yoshino-Hashizawa added.

Instead, the study authors suggest heart rates may be a solid starting point when trying to analyze bat behaviors and responses to their everyday environment. At the same time, a mother bat’s heart certainly seems to patter a bit more for her pups.

“[This] suggests that these vocalizations instantly physiologically prime the mother to engage in maternal behavior,” explained Yoshino-Hashizawa.

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When it comes to buying a home, many people pay a premium for privacy. But one new listing Carlton, Kansas, takes the cake. For a measly $1.6 million, someone can call a converted Cold War Atlas intercontinental ballistic missile (ICBM) silo home. Though the site sits on 18.2 acres of rural grassland, nearly the entire complex is hidden underground, save a single ominous steel door. The silo trenches down 182 feet, eventually leading to a two floor launch control center retrofitted to fit the modern world.

Surrounding the entire complex are 600 tons of steel rebar and six-foot-thick epoxy concrete walls meant to withstand nuclear blasts and 500 mph winds. The listing’s website calls it quite possibly “one of the most hardened structures ever built by man.” Once the staging ground for nuclear Armageddon, the indoor launch control center has been converted into a 2,200-square-foot, two bedroom, two bath, home outfitted with generic modern appliances. To top it all off, it is caked in a fresh coat of muted millennial gray and white paint.

From launch control to living room

This particular missile silo was part of the United States Air Force’s Atlas F Intercontinental Ballistic Missile Program. The Atlas program began toward the end of World War II, and produced the country’s first operational ICBM. At its peak, from late 1962 to mid-1964, 132 of these Atlas sites were built  around the country. 

According to the National Park Service, north-central  Kansas’ Atlas F was “by far the best” of the Atlas variants ever deployed. The missile stood 82 feet tall and carried a 4.5 megaton warhead, roughly 300 times as powerful as the 15-kiloton bomb dropped on Hiroshima. Aside from the Kansas location, there were 72 Atlas missile sites stationed on bases in Nebraska, Oklahoma, Texas, New Mexico, and New York. 

Though advanced for its time, the Atlas was soon eclipsed by the even stronger Titan and then Minuteman systems.The majority of the Atlas systems were decommissioned in 1979, when President Richard Nixon signed the SALT (The Strategic Arms Limitation Talks) treaties. That meant dozens of the massive structures were left dormant. Many of those relics have taken on new lives as luxury apocalypse bunkers or gimmicky rentals. 

A buyer interested in viewing the North Star Missile Silo in Kansas would really have to know what they’re looking for. Getting there requires driving through a seemingly nondescript stretch of grassland before eventually coming up on a large gated fence with the iconic yellow “Fallout Shelter” signage on its side. Once inside, a surreal-looking steel door jutting out of the quiet countryside offers a clue to the shelter. It looks like a portal to some eerie, distant world, which, in some sense, it really is.

Once through the door, visitors descend a metal staircase that leads to a 40-foot tunnel. Photos show a narrow, claustrophobic walkway encased in a ring of white metal beams. At the end of the walkway stands a pair of imposing 7,000-pound blast doors. Home sweet home!

But the weirdest part about the retrofitted missile silo house is how remarkably normal much of it looks on the inside. The living quarters feature a floor plan with two bedrooms, two kitchens, and two bathrooms spread across two floors. Stainless steel appliances and a washer and dryer sit alongside standard wooden cabinets, none of which would look out of place in any hastily built rental unit across the country. The central area is laid out loft-style, showing off the control center’s massive support column. Visually, everything seems out of context. It evokes a slightly off not quite right AI-generated version of a house, or a modern millennial apartment that a visiting alien might describe to fellow interstellar travelers.

It’s an undeniably weird place to live full time, but not a half-bad survival bunker.  The listing notes that it features two separate sewage systems (one above ground and one underground) humidity control, a cellphone phone signal repeater and a solar power powered seven foot chain link gate. It also has ample room for solar or wind energy installation, though the buyer would have to install those. It’s also not necessarily limited just to survival or end time doomers. Realtor.com notes that the silo was previously used as a rental, though he also said there was interest in using it as an off-the grid conference site or even a wedding venue. 

A new era of fancy bunkers 

Many Cold War relics have taken on new lives as quirky rental and luxury condominiums. Airbnb shows a number of silos available for short term stays in New Mexico, Kansas, and southern Texas. Some of these explicitly court “prepper” audiences with fat wallets. Possibly the best known of those is Survival Condo, located about 200 miles outside of Kansas City, That sprawling Atlas Missile Silo was converted into a 15 floor luxury condominium outfitted with a pet park, climbing walls, swimming pool (with a slide) library and a movie theater. The starting asking price for one of the units? Around $1 million in 2020 dollars. 

And while Cold War bunkers are relics of the past, new interpretations of the structures are still being built. In the U.S. and abroad (New Zealand attracts a particular amount of attention) a subset of the world’s wealthiest elites are reportedly constructing their own apocalyptic lairs. Some of the best known examples of those billionaire bunker builders are in the tech industry with some racing to build advanced AI models that are increasingly putting them at odds with public opinion. Aside from escaping the pitchforks, the Kansas listing also notes one more potentially enticing incentive. 

“Underground structures not taxable by [the] County.”

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Rattlesnake venom is a complex blend of necrotic toxins designed to quickly disrupt blood coagulation and destroy tissue cells. This effective biological weapon comes at a major premium, however. Snakes must regularly replenish their venom reserves, which means they need to dole out just the right amount with each bite. Injecting too little venom into prey may allow their next meal to escape, while delivering too much can leave a rattlesnake defenseless against its own predators.

But that doesn’t mean rattlesnakes adhere to a one-bite-fits-all policy. According to researchers at California’s Loma Linda University, the amount of venom routinely varies by individual reptile. Their recent findings published in Frontiers in Ethology indicate these dosage ranges aren’t randomly distributed, and that snakes and their venom are much more complicated than many people realize.

“This study gives us a better understanding that reptiles, such as rattlesnakes, are behaviorally complex and have personalities like humans do,” explained Loma Linda University biologist and study co-author Chelsea Martin.

Martin and her colleague, William Hayes, focused on the preferences of the Pacific rattlesnake (Crotalus oreganus helleri). On three occasions over a four-week window, the team offered 48 snakes the chance to sink their fangs into a membrane-covered beaker. Previous experiments mainly focused on the frequency of bites, but Martin and Hayes also measured the amount of injected venom in each instance. They then compared the data across snakes.

“The results were striking in their consistency,” the study’s authors wrote in an accompanying Phys.org rundown.

The team also reported measured behaviors like aggressiveness, bite willingness, and the amount of venom amount were statistically significant and repeatable across many of the snakes. Additionally, their study further debunks the lingering myth that larger snakes actually produce less venom.

“Larger snakes expended more venom than smaller snakes, as expected given their greater capacity for venom storage,” explained the biologists, while noting that actual delivered levels still occasionally varied regardless of size.

The study’s authors emphasize that their findings shouldn’t be held against the rattlesnakes themselves. While often feared, the snakes generally do everything they can to avoid confrontations with larger animals like humans. Bites are almost always the result of an unintentional encounter in the wild rather than an overly aggressive serpent. If anything, it’s people who aren’t paying attention to their surroundings, and not the other way around.

“One practical lesson remains unchanged: No rattlesnake should be approached or handled on the assumption that it will behave predictably,” the authors said. “Consistent individual differences do not make any particular snake safe.”

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Our fingerprints, patterns on whale flukes, and fur patterns on cheetahs are examples of the natural ways we can tell one individual animal from another. For an Amazonian treefrog called the egg-eating spiny-backed frog (Osteocephalus oophagus), we need to look into their eyeballs. Fine black radial lines cross their golden irises, and form a pattern similar to our fingerprints. A study recently published in the journal Herpetozoa details the discovery.

The project began with study co-author Mélissa Peignier, a behavioral ecologist at the University of Bern in Switzerland, admiring frog eyes. 

“At the time, I was doing my PhD, studying Allobates femoralis in the field in French Guiana,” Peignier said in a statement. “My first reaction was simply something along the lines of, ‘Wow, what beautiful eyes!’ That initial curiosity gradually turned into a genuine interest in the species, and I realised how little we actually know about them.”

There was also an ethical component. One of the standard ways to tell amphibians apart from one another is toe-clipping, where a section or all of a single toe is removed. This procedure can affect their survival, physiology, and behavior. 

“Other studies have used toe-clipping, which involves removing some of the digits. Personally, I was uncomfortable with this approach, especially given that these are arboreal frogs that rely on their limbs to climb trees.”

Looking for other markings could offer a more humane solution and a way to observe the animals natural behavior unimpeded.

For this study, fieldwork took place over three rainy seasons (2021 to 2023) on a river island in the Nouragues Nature Reserve in French Guiana. They identified 103 individual frogs over the course of the study.

During their later encounters, the team took pictures of each animal’s eyes without touching it and then compared the images with a reference library. This way, the recognised frogs were left undisturbed and their eyes appeared in their more natural state. The identifications were then independently verified using Wild-ID, a software package that analyzes photographic markings in animals.

They found highly distinctive iris patterns. Within one season, between 56 and 80 percent of the frogs were recaptured and reliably re-identified. According to the team, this indicates that the patterns on their eyes remain stable enough to monitor the frog in the short-term. Photographs could even be taken of frogs while in their mating embrace (called amplexus) without disrupting them. The team hopes that this method will spread. 

“In a world where biodiversity is declining at an alarming rate, it is essential that we minimise our impact on the animals we study,” added Peignier. “If we can reliably identify individuals using naturally occurring features, we may be able to reduce the need for more invasive marking techniques while still collecting the data needed to answer important scientific questions.”

While the reliability of the eye markings will vary between species, and should be done case by case, the team sees considerable promise for amphibians with complex irises. And working with them offers its own benefits. 

“Honestly, the frogs themselves are incredibly beautiful and surprisingly chill, which makes working with them a real pleasure,” Peignier said. 

The post Treefrog ‘fingerprints’ are on their eyeballs appeared first on Popular Science.

Fall is here, and with it comes very determined deer. Mating season for the hoofed ruminants typically begins once temperatures dive and the days grow shorter, but the annual event also poses problems for humans. The deer have one thing on their mind, which means they pay even less attention to vehicles and roadways. In New Jersey, roughly 41 percent of all annual animal collisions occur between October and December, while the AAA Foundation for Traffic Safety routinely tallies over 275 fatalities from similar accidents nationwide every year.

Driving gets even riskier in rural areas, which frequently host higher deer populations and much darker roads. However, a recent pilot program in Virginia offers a promising tool that may keep commuters safe while also allowing the animals to do their thing. At the Virginia Tech Transportation Institute (VTTI), researchers designed an automated digital roadside sensor system that warns drivers of large jaywalkers like deer and elk.

According to VTTI engineer Shreyas Bhat, the year-long trial demonstrated a “measurable change” in how local drivers responded when alerted to oncoming wildlife. Bhat and his colleagues tested the system with help from the state’s Department of Transportation along a 14-mile section of Route 460 in southwest Virginia. The array was composed of eight portable, solar-powered trailers and customizable digital message signs. Each station included thermal cameras analyzed by onboard machine learning software, which triggered the sign alerts whenever it flagged nearby medium– to large–sized animals.

Over the course of the trial, researchers amassed driving data on over 10,000 vehicles, while the detection system maintained an estimated accuracy of around 97 percent. This is particularly impressive given the region’s environmental and infrastructural challenges.

“This system is unique because of the requirements of the area—it needed to be solar powered, portable, and be able to withstand all weather conditions,” explained VTTI engineer Jean Paul Talledo Vilela.

The team reported an average reduced speed of about three miles per hour thanks to the roadside warning signs. That may not seem like much, but even a slight slowdown can save lives. It also proved people took note of the system.

“Speed is an important data point to understand if drivers were actually paying attention to the message board,” said Talledo Vilela. “Even if they are not braking aggressively, some reduction in speed indicates that they may be paying more attention to their surroundings because they got that alert.”

While Talledo Vilela, Bhat, and their collaborators are still parsing through data from the program,(it ended in September) the initial findings remain promising. From here, the team hopes to refine the overall system while organizing future trials in other regions of the country. If successful, the relatively simple installations could also be adapted for other year-round road safety situations like construction or real-time weather hazards.

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The swirling bluish-white mistrals, towering cypress trees, and glittery stars in Vincent van Gogh’s “The Starry Night” (1889) have captivated our imaginations for generations. Despite never selling a painting during his lifetime, van Gogh’s “The Starry Night” has since inspired a hit song in 1972, draws visitors to the Museum of Modern Art in New York City, and adorns everything from journals to scarves and tote bags.

But what particular night above Saint-Rémy-de-Provence, France, did the troubled post-impressionist painter actually put on the canvas? A new analysis points to July 22, 1889. During the early morning hours at that time of year, a waning crescent moon, the planet Venus, and the Hyades star cluster in Taurus appeared close together—all of which are seen in the painting. A study published today in the journal Scientific Reports details the findings. 

The story behind ‘The Starry Night’

According to the Metropolitan Museum of Art, van Gogh was inspired by the view from his window at the Saint-Paul-de-Mausole asylum in southern France. He spent twelve months there 1889–1890, seeking reprieve from his mental illnesses and was also diagnosed with a form of epilepsy. 

Like many of his paintings that year, “The Starry Night” was created in several sessions during the day, under different weather conditions. The village nestled below the hills was also based on other views, and could not be seen from his window. Although van Gogh reconstructed some of the features in the night sky as he saw them, he also altered the celestial shapes and added a sense of glow.

“Van Gogh assigned an emotional language to night and nature that took them far from their actual appearances,” the museum writes. “Dominated by vivid blues and yellows applied with gestural verve and immediacy, ‘The Starry Night’ also demonstrates how inseparable van Gogh’s vision was from the new procedures of painting he had devised, in which color and paint describe a world outside the artwork even as they telegraph their own status as, merely, color and paint.”

Looking to the stars

Using astronomy to pinpoint which day inspired the painting began with UCLA art historian Albert Boime in 1984 and Harvard University astronomer and astrophysicist Charles Whitney in 1986. The two scholars reached conflicting conclusions, and neither of them displaced the prevailing religious and symbolic interpretations of the painting. 

Historically, the painting has been dated based on a letter van Gogh wrote to his brother Theo around June 18, 1889. However, the waning gibbous moon from mid-June does not account for the slender crescent seen in the painting. By July 22, 1889, the Hyades star cluster rose in the eastern sky alongside Venus, and the moon’s shape looked closer to the crescent on the canvas. This new study uses observational geometry to find an answer.

“To an observational astronomer, the cluster of stars in ‘The Starry Night’ is the Hyades in Taurus,” said study co-author Elijah Jeong-hyun Kim.  “But the moment I read the earlier studies explaining it as Aries, I heard the painting calling to me.” Kim is the CEO at South Korean robotic telescope company SLLAB and a PhD candidate at Kyung Hee University.

For this research, the team combined astronomical simulations and measurements of star positions, with historical weather records, and van Gogh’s own letters. They also used earlier sketches of the landscape to reconstruct the narrow field of view represented in “The Starry Night.”

According to the team, the crescent moon, Venus, and the Hyades star cluster in the constellation Taurus would have been visible around dawn on July 22, 1889. This configuration generally corresponds to what is portrayed in the painting. Weather records suggest that the night sky around July 22 would have been clear enough for this astronomical arrangement to be visible. Additionally, the frequent mentions of cicadas in van Gogh’s letters suggest that the region was seeing a period of hot weather, which matches the recorded temperatures in July 1889 better than in June.

The team also verified that the painter’s field of view in another painting titled “Starry Night over the Rhône” (1888) with photographs taken on site was painted when the sky was in Aries. Using the same method, the team also believes that the stars in “Café Terrace at Night” (1888) may be the Summer Triangle.

“I hope this work prompts a renewed, multidisciplinary look at the sequence and working methods of the Saint-Rémy paintings, and at Van Gogh’s movements that summer,” Kim said. “Our conversation with Van Gogh’s other skies is still ongoing. We plan to tell those stories one by one.”

The post What night is van Gogh’s ‘The Starry Night’? New analysis says it’s in July. appeared first on Popular Science.

Dr. Nick Medford’s patient had plenty of reasons to be terrified of a simple blood test.

His body had shrunk down to a fraction of its size, or so he believed, and the physicians looming over him were enormous. Then there was the needle about to pierce his vein: to the patient’s eye, it was larger than his entire arm.

It might sound like something out of Alice in Wonderland. But this patient’s story belonged to a different genre entirely. Horror, namely. As far as the patient was concerned, there was no point in taking his blood. It was no longer human. Neither was he. 

Medford’s patient was suffering from clinical lycanthropy, defined as the delusional belief that one is turning into a werewolf. And unlike the flesh-tearing beasts of folklore, who terrorize the unsuspecting by the light of the full moon, patients like Medford’s are often the ones haunted, trapped inside a body-horror nightmare. 

According to Medford, his patient knew something was wrong, but was as confused about his condition as anyone. “Not only did he think he was a werewolf, but he would also talk about things like wanting to realign the cosmos and wanting to kill God,” says Medford, a neuropsychiatrist with the South London and Maudsley NHS Foundation Trust. 

“And then you would say, ‘Do you believe in God? Are you religious?’ And he’d say, ‘No.’ His ideas didn’t really make sense even to him, which was a part of his distress.”

So, what causes this rare condition? And why does it take the form of one of Halloween’s classic monsters? 

Rarer than movie werewolves

If you’ve never heard of clinical lycanthropy before, there’s a good reason: Hollywood’s werewolves easily outnumber the real-life cases of this condition. Only about 25 instances have been reported in the medical literature.

Because there are so few cases, Medford says it is difficult to identify a common cause or predictable disease course. However, he says that typically it is seen in patients already experiencing mental illness.

“In around 40 percent of published cases, it occurs in the context of schizophrenia,” Medford says. “There are also reports of it occurring in the context of bipolar disorder or psychotic depression. So, in the context of severe mental illness, basically.”

Medford’s own patient had been diagnosed with Huntington’s disease, an inherited, fatal brain disease that causes psychiatric symptoms and uncontrolled body movements. The case, which Medford documented in a 2023 report, was the only published instance of clinical lycanthropy associated with Huntington’s. Although Medford says it is uncertain what then led his patient to believe he was a werewolf, he says the physical changes associated with Huntington’s may have fed this idea. 

“There may be some change in the person’s body or in their perception or their experience of their body,” Medford says. “That might be, if you like, the seed from which this idea can develop.”

This seems possible in the case of Medford’s patient, who exhibited involuntary writhing movements and other strange physical sensations.

“He did not seem to be aware that he was having these abnormal movements, but he was aware of some weird sensations,” he says. “He described freezing sensations and electric-shock-like sensations. He had some sense that something strange was happening in his body.”

Why wolves?

But physical changes alone don’t explain why the patient imagined he was turning into a werewolf. Which raises the question: Why do these delusions so often focus on lupine metamorphoses?

They don’t always, Medford notes. There’s a broader term—therianthropy—for the delusion that one has turned into any animal. But most of these cases involve canines, he acknowledges.

“Most of them are wolves or dogs or something of that type,” he says. “And then there’s a whole range of other strange things. There’s a report of someone who thought they’d turned into a bee.” That would make for an underwhelming horror movie, to be sure. 

So, is it a coincidence that many of these patients report delusions ripped straight from a creature feature? 

Probably not. In their case report, Medford and his co-author, neuroscientist Natasha Sigala, note that “delusions are influenced by culture,” and few cultural images of human/animal shapeshifting are as deeply embedded as the werewolf.

“The werewolf folklore and werewolf mythology goes right back to antiquity,” Medford says. “And it’s kind of interesting that the werewolf or something like it seems to pop up in a lot of different cultures and different times and places.”

Why is the werewolf legend so potent and enduring? Medford suspects it may tap into something primal. 

“The werewolf symbolizes something about the human condition,” he says. “We live in civilized societies, and we adhere to social norms, but there’s a sort of animal part of us that perhaps chafes against that.”

That internal conflict may explain some of the patient’s other fixations. He described urges to strangle his wife and to defecate in a church. Medford notes that Huntington’s may also have impaired his sense of disgust, which can happen as the disease progresses.

Yet the patient also fought against his own impulses. At times, he lunged at staff, only to pull back and apologize.

“You could see the conflict in that moment,” Medford says. In that sense, the patient wasn’t so far from the werewolves of fiction. Like a movie werewolf beholding his mirror image in horror, he looked at his reflection and saw himself changing in ways he couldn’t control. 

The werewolf fades 

For Medford’s patient, that dreaded blood test ultimately was part of a turning point in his treatment. The bloodwork allowed Medford to keep the patient on clozapine, a potent antipsychotic. As Medford increased the dose, the patient’s delusional beliefs dwindled, and although the underlying Huntington’s disease remained, the werewolf soon was gone.

Medford hopes patients like his will be treated with compassion rather than sensationalism. “These cases, they’re rare, but when they do happen, they tend to arise in the context of serious psychiatric or neurological disturbance,” Medford says. “They are people meriting sympathy and treatment, rather than romancing about it.”

In Ask Us Anything, Popular Science answers your most outlandish, mind-burning questions, from the everyday things you’ve always wondered to the bizarre things you never thought to ask. Have something you’ve always wanted to know? Ask us.

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The post Some people really are werewolves—at least, in their minds appeared first on Popular Science.

In the early 5th century, a woman of high rank was buried beside an old Roman posting station on the Via Augusta, in what is now the province of Castellón. Her grave held a glass cup and two gold pins in a style from the Danube region. Her brother died in Mérida, the Roman city […]

Before giant manta rays (Mobula birostris) can grow to up to 30 feet long and 4,409 pounds, they must start small like most living things. Giant manta ray babies (called pups) in Central America don’t have their size to protect them from orca whales (Orcinus orca) and the numerous sharks in the open ocean. Their solution—sticking to the coast, where there is plenty of food to help them grow and defend themselves. A new study published today in the journal Frontiers in Fish Science details the baby rays’ behavior. 

“We show that manta rays’ lifestyle isn’t a one-size-fits-all behavior. Giant manta rays in Central America undergo a dramatic shift in space use as they mature,” Jeffry Madrigal-Mesén, a study co-author and project leader of Mantas Costa Rica, said in a statement. “Juveniles remained strictly within shallow nearshore waters that serve as coastal refuges, but most of the tracked adults executed long-distance transboundary migrations along the continental shelf break into Central America.”

Where the pups grow

In the study, the team used multiple methods to track and identify mantas at five locations between 2018 and 2025. Acoustic telemetry uses underwater sound pulses to monitor fish movements and allowed the team to track 59 individual rays. With satellite telemetry, transmitters track movement and behavior from a distance and helped the team track large-scale movements of 12 individuals. Lastly, photo identification helped to identify individual manta rays.

“If we hadn’t used all three technologies together, we simply wouldn’t have been able to piece this puzzle together,” explained Madrigal-Mesén. “Combining these tools turned fragmented data into a unified, undeniable story.”

The team ended up with a dataset of over 12,000 detections. The data showed that young mantas (those with a body about 10 feet or less) stick to shallow coastal refuges. In these more shallow spots, the pups have a safe place that doesn’t overlap with their predators’ hunting grounds. They have plenty of food and places to hide, and even get essential services like cleaning from reefs.

“Mature adults can rely on their massive body size and their ability to dive deep to evade threats. But juveniles don’t have that luxury,” said Madrigal-Mesén. “What is truly amazing is seeing how strictly young manta rays stick to coastal waters as long-term refuges. We see the same individuals more often than once a year. In fact, just recently, they were sighted again at the exact same tagging location. It is always a joy to see them again—they have truly become a part of the family.”

By comparison, nine mature mantas in the study went on expansive migrations along the continental shelf break. One manta ray nicknamed Mickey Mouse because of a spot pattern on his belly had movements that suggest the fish also continue to display loyalty to a particular site once they grow up. Unusually approachable for a manta, Mickey Mouse allowed the team tag him multiple times over several years, which provided a continuous dataset. In 2020, he logged 462 acoustic detections at a coastal hub called El Secreto. He returned to the same shelf in 2023, and stayed there for 38 days.

“Nearshore cleaning stations transcend basic hygienic function; they act as primary social hubs where courtship and reproductive interactions take place,” said Madrigal-Mesén. “Returning to a predictable coastal depot allows mature rays to prioritize social and cleaning needs before undertaking large-scale regional migrations.”

Traveling the manta swimway—safely

Once they leave coastal regions, adult manta rays face different dangers. Coastal areas are often legally protected marine reserves, but the open ocean is another story. They no longer have legal protection and are exposed to dangers from industrial fisheries and vessel strikes.

According to the team, this shows that marine protected areas alone are not enough to protect this highly mobile species as it swims across Central America. They say that multi-national “conservation swimways”  that link the domestic juvenile coastal refuges with adult migratory corridors could help keep the endangered rays safe. 

“This study opens a new chapter for manta ray research in Central America,” Madrigal-Mesén concluded. “We hope it sparks fresh enthusiasm and encourages future collaborators to join us in executing the new ideas and research projects we have planned for the conservation of this species.”

The post Baby manta rays stick to the shallows to avoid sharks and orca appeared first on Popular Science.

A survey-based study of 246 village-level social welfare data operators found that business architecture, cross-organizational collaboration and technological readiness were positively and statistically significantly associated with perceived e-government integration impact in two Indonesian regencies. The research, focused on Gunung Kidul and Bangkalan, examined organizational, institutional, relational and technological capabilities associated with social welfare data integration. Governance and leadership and information policy did not show statistically significant direct relationships with perceived integration impact in the pooled sample.

The authors analyzed the survey with partial least squares structural equation modeling. In their framework, e-government integration impact, or EGII, represents perceived improvements in information, system and service quality, responsiveness and public trust. E-government integration scope, or EGIS, describes the breadth of integration across data, applications, electronic communication and knowledge-sharing processes.

EGII was strongly associated with EGIS, meaning that operators reporting more favorable perceived integration outcomes also tended to report broader integration. Because this was an observational analysis of survey responses, the results establish statistical relationships rather than causal effects. The findings identify three capabilities with significant direct relationships to EGII in the pooled model: business architecture, cross-organizational collaboration and technological readiness.

The evidence does not provide operational definitions for these constructs, but the results show that their measured levels were associated with respondents’ assessments of e-government integration outcomes. By contrast, governance and leadership and information policy had no statistically significant direct relationships with EGII in that analysis. This absence of a detected direct relationship does not establish that the two factors are unimportant or that they operate only through indirect pathways, because the supplied findings do not report such indirect effects.

A regency-based robustness analysis found that some relationships were sensitive to local implementation conditions. Significant differences between Gunung Kidul and Bangkan were reported for the technological-readiness-to-EGII relationship and the EGII-to-EGIS relationship. The geographic comparison therefore cautions against assuming that the same capability relationships apply uniformly across the two regencies, although it does not identify the specific local practices responsible for those differences.

Its direct contribution is to show which measured interoperability capabilities were associated with perceived integration impact in the surveyed population, alongside evidence that some relationships varied between the two regencies.

Subject of Research: Survey-based analysis of interoperability capabilities for social welfare data integration in two Indonesian regencies

Article Title: Determinants of E-government interoperability capabilities for social welfare data integration in Gunung Kidul and Bangkalan Regencies, Indonesia

Article References: Fikri, R., Purnomo, E. P., Pribadi, U., Mohamed, A. M., & Mohammad, N. B. (2026). Determinants of E-government interoperability capabilities for social welfare data integration in Gunung Kidul and Bangkalan Regencies, Indonesia. Discover Sustainability. https://doi.org/10.1007/s43621-026-04608-5

Image Credits: AI Generated

DOI: 10.1007/s43621-026-04608-5

Keywords: social welfare data, e-government, interoperability, Indonesia, PLS-SEM, technological readiness, cross-organizational collaboration, business architecture, digital governance, public services, Determinants, capabilities

An international team led by Alexander Vorbrugg analyzed (online) media reporting on war-related land changes in Ukraine. The study asked: How is damage to land represented? What knowledge do these representations draw on? How does the war affect the symbolic meaning of land and visions of the future? How are material damage and destruction translated into the media discourse? What ideas of landscape does this create?

More than 1 in 4 Detroiters cannot easily produce up-to-date documentation of their U.S. citizenship that matches their current name, according to a new survey from the University of Michigan's Detroit Metro Area Communities Study, in partnership with Outlier Media.

The company plans to offer testosterone replacement therapy, marking its first foray into prescribing controlled substances.

The company plans to offer testosterone replacement therapy, marking its first foray into prescribing controlled substances.

The weakest part of a modern car’s digital security may sit outside the vehicle itself. A new study finds that more reported weaknesses now involve connected apps, websites and cloud services that handle information about drivers and their journeys. Researchers from the University of Gothenburg and Chalmers University of Technology examined 413 reported automotive software […]

The post Study finds connected car apps and cloud services are growing security risks appeared first on Knowridge Science Report.

From orbit, today’s space-based laser instruments measure Earth’s forests and terrain one narrow line at a time. Between those lines are enormous gaps that include millions of acres of land scientists never directly measure. NASA’s CASALS instrument will blend machine learning with an ultra-compact lidar instrument to adaptively ‘sweep’ large swaths of Earth’s surface. This new capability for space-based remote sensors allows CASALS to create truly three-dimensional (3D) topographical renderings. 

A team of researchers at NASA’s Goddard Space Flight Center (GSFC) has developed a new instrument designed to eliminate blind spots between lines of lidar data on the Earth’s surface. Built with support from NASA’s Earth Science Technology Office (ESTO), the Concurrent Artificially-intelligent Spectrometry Lidar System (CASALS) could help researchers map the features of Earth’s surface with unprecedented detail. Rather than mechanically steering a laser with moving mirrors, CASALS steers light using wavelength itself, generating a continuous, 3D swath of the ground below. 

John Yorks, a physical research scientist at GSFC and Principal Investigator for CASALS, explained that the instrument features a novel transmitter and optical grating system that manipulates laser pulses without heavy, failure-prone motorized mirrors. 

Instead, CASALS uses a fast-pulsing, tunable “seed” laser centered at 1040 nanometers, rapidly cycling through 256 unique wavelengths as it pulses through an optical component with a microscopic pattern of ridges called a transmission grating. 

At this point, the physics of diffraction takes over. Because light bends at slightly different angles depending on its exact wavelength, the grating naturally “steers” each of the 256 pulses into a distinct position across the flight path. 

This non-mechanical approach paints a continuous 3D swath of the ground. Not only does this eliminate the large unmapped gaps left between the isolated tracks of legacy spaceborne lidars, but stripping away moving parts drastically reduces the instrument’s size, weight, and power (SWaP) requirements. This makes it more reliable for the harsh environment of space. 

Another key innovation within CASALS is its detector array. This component features a uniquely high Quantum Efficiency (QE), a variable that describes how effectively a detector converts incoming light (photons) into an electrical signal. CASALS operates at 80% QE. This means CASALS wastes almost none of the light that makes it back to the sensor. 

With QE that high, CASALS can detect much weaker return signals, allowing it to collect useful measurements from darker surfaces or through denser vegetation. 

This technology isn’t limited to a laboratory environment. In November 2024, an airborne CASALS prototype flew aboard NASA’s B200 King Air aircraft. The instrument produced science-quality datasets on its first campaign, exceeding the team’s expectations. 

“I’m very impressed with Guang Yang, Jeffrey Chen, and all our engineers, and how well CASALS performed. This worked really well from the first time we flew it, which is pretty impressive,” said Yorks. 

Flying at an altitude of roughly five kilometers, CASALS can distinguish individual tree branches and subtle changes in ground elevation, thanks to its 22-centimeter horizontal resolution. 

“We’re able to see really fine details of vegetation structure and changes in the topography of the surface,” Yorks said. 

The team aims to fly CASALS again as part of the Airborne Surface, Cryosphere, Ecosystem, and Nearshore Topography (ASCENT) campaign, scheduled for summer 2027. 

But there’s more work to do to prepare the technology for space. The team plans to make several improvements to CASALS before creating a space-ready prototype. Specifically, they’re widening the instrument’s swath and adding onboard data processing software. 

Transitioning from a successful airborne prototype to a fully realized space mission is a challenge, but the CASALS team is up to the task. 

“The team’s really done a great job of sticking together and keeping on task and on schedule. We are being funded to optimize and improve the performance, and we’re also then looking at ways to take the technologies used in the airborne instrument and mature them and prepare them for a spaceborne version in the future,” said Yorks. 

If successful, CASALS could become the first spaceborne lidar capable of mapping Earth’s forests and terrain as continuous three-dimensional swaths rather than isolated profiles, giving scientists a dramatically more complete picture of our changing planet. 

For additional details, see the entry for this project on NASA TechPort. 

Project Lead(s): John Yorks, NASA’s Goddard Space Flight Center 

Sponsoring Organization(s): NASA’s Decadal Survey Incubation (DSI) program; NASA’s Instrument Incubation Program (IIP); NASA’s Goddard Space Flight Center; University of California, Santa Barbara; Virginia Polytechnic Institute and State University