Desde bolas com sensor de alta precisão a avatares 3D foto realistas gerados por inteligência artificial, conheça as inovações tecnológicas do Mundial de Futebol FIFA 2026, e como é que a tecnologia promete redesenhar o maior evento desportivo da história.
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O mês de maio foi o segundo mais quente de sempre à escala global, tanto em terra como nos oceanos. A temperatura média do planeta atingiu 15,81 graus Celsius, ficando apenas atrás de maio de 2024. Portugal está entre os países da Europa que tiveram verão antecipado.
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A curious recent discovery has revealed a promising new underground archaeological find at the ancient site of Buto in Egypt’s Nile Delta.
Researchers who were testing a remote sensing technology designed to locate buried structures and other below-ground features reported the unique find earlier this year, which could be a previously undiscovered tomb or temple now believed to date as far back as 2,600 years.
The discovery was made at the Tell el-Fara’in site, more commonly known as Buto, which comprises the remains of an ancient city that thrived around 5,600 years ago during Egypt’s Predynastic period.
Buto underwent several periods of destruction and reassembly throughout its history, making it a significant focus of past archaeological work.
Some of the city’s oldest portions are currently entombed beneath several centuries’ worth of accumulated mud and soil, a factor that significantly complicates traditional excavations. To help them locate an ideal location for future excavation, the team employed an approach that combined SAR (Sentinel-1 GRD) satellite imagery with electrical resistivity tomography (ERT) measurements, which helped them pinpoint an ideal location to dig that would best enable an investigation of Buto’s settlement phases.
“Sentinel-1 (C-band) satellite imagery captured on May 5, 2018, was processed using SNAP software (version 9.0.0) to identify large-scale anomalies indicative of buried structures,” the team reports in a paper detailing their findings, which appeared in Applied Geophysics in March.
“Based on these detected anomalies, the locations for ERT profiles were strategically selected to maximize the likelihood of indicating significant subsurface features,” the team explained.
ERT technology is ideal for such carefully targeted excavation, since it relies on electrical currents placed into the ground, which researchers then use to collect data that helps them assemble a three-dimensional model of the buried structures. This imagery is generated based on differences in the way various materials either display electrical conductivity or resistance.
Based on the team’s scans, the top three meters of the area revealed a distinctive layer of material, which the team judged to be broken pottery and debris—likely associated with Roman periods of occupation.
However, going further down in their scans, descending to a depth of approximately six meters, the team discovered something more intriguing: what appeared to be some kind of large buried structure.
Based on its depth, the team believes this unique structure is likely associated with the Saite period, which dates it to around 2,600 years ago. Although it remains unknown precisely what the structure is, or what its exact purpose may have been, one possibility is that it could be a large shrine, or even a tomb.
Following the initial discovery, the team undertook preliminary excavations of a small 10 x 10-meter area. This revealed walls constructed of mudbrick, as well as religious artifacts in locations that aligned with the team’s scans.
“The presence of a small offering basin along with numerous religious amulets depicting Egyptian deities such as Isis, Horus, Taweret, and Wadjet further supports the temple hypothesis,” the team writes in their study.
Also among the religious artifacts uncovered at the site were a “remarkable bronze amulet with a suspension hole, representing Horus the child” as well as amulets featuring a crouching lion, an amulet of Anubis, and the remains of limestone statues “in sexual positions” along with “a faience plaque with relief carvings of Hathor on both sides.”
However, the team reports that one of the most significant artifacts recovered from this area of the excavation was a steatite scarab bearing the name of King Thutmose III, which the team believes “may have functioned as an amulet or seal.”
“Collectively, these artefacts indicate the presence of a religious site with strong cultic and ceremonial associations, further reinforcing the interpretation of the structure as a temple from the 26th Dynasty,” the team says.
While still in the early phases, the team’s discoveries so far help to validate the geophysical and remote sensing techniques that made the discovery possible. “The results of this study demonstrate the effectiveness of combining geophysical measurements and remote sensing data,” the team writes, adding that they provided “a very accurate vision in detecting buried settlements in a complex region.”
“3D inversion algorithms were particularly effective in delineating buried mudbrick walls and architectural structures, significantly enhancing our understanding of site formation processes,” the researchers add.
Going forward, the team recommends further ERT surveys, which may help to reveal additional information about the site’s deepest occupation levels. For the time being, the team believes the evidence in hand points to the interpretation of the site and its features as an ancient temple, and that evidence points to the possibility that another may be located nearby.
“Our findings suggest that, in addition to the known temple, another temple may remain buried under a thick clay layer, which will be investigated through extensive measurements in forthcoming studies,” the team writes.
The recent paper, “Multi-scale detection of buried archaeological elements across different occupation phases: an integrated approach using radar satellite imagery and electric resistivity tomography at Buto, northwestern Nile Delta of Egypt,” appeared in Applied Geophysics on March 10, 2026.
Micah Hanks is the Editor-in-Chief and Co-Founder of The Debrief. A longtime reporter on science, defense, and technology with a focus on space and astronomy, he can be reached at micah@thedebrief.org. Follow him on X @MicahHanks, and at micahhanks.com.
An unexpected human behavioral tendency to prefer turning counterclockwise rather than clockwise has been uncovered by a team of researchers in Spain and Japan, and its cause remains unknown.
In a recent paper published in Nature Communications, the team sought to identify patterns in individual human behavior among large crowds and determine which factors influence them. Surprisingly, the team found that counterclockwise turning is the overwhelmingly common behavioral preference, regardless of gender or culture, with only age making a slight difference.
The team’s work could have ramifications not only for psychology but also for architecture, engineering, and design, enabling more intuitive layouts. Work on the project began at Spain’s University of Navarra, before experiments continued at the University of Tokyo in Japan.
The University of Navarra team discovered the phenomenon entirely by accident while researching social distancing during the COVID-19 pandemic. Initially, their interest was in monitoring how effectively the recommended six-foot spacing could be maintained in public spaces. They observed how humans moved through spaces, such as museums, without a set route. While closely monitoring crowd video, they were surprised to witness the counterclockwise trend emerge.
“When analyzing the experiments, my colleagues realized by chance that in 32 out of 33 experimental trials, as people moved and turned, they noticeably preferred to turn counterclockwise,” said co-author Professor Claudio Feliciani from the University of Tokyo’s Department of Aeronautics and Astronautics.
“This was completely unexpected as, at least instinctively, when people walk around randomly, you imagine people turn as their needs suit them with little sign of an overall preference,” Feliciani added. “But there was a definite, measurable tendency for people to turn counterclockwise over clockwise, all things being equal.”
With their curiosity piqued, the University of Navarro team sought to test their findings against further observations to determine which factors might be influencing the behavior. They decided to seek international follow-up observations. This brought them into contact with Claudio Feliciani, whose presence in Tokyo would allow the project to test how the trend played out across cultures, and among other factors.
For the second stage of the project, Feliciani and his team developed a series of experiments targeting age, handedness, gender, group size, and cultural influence. They observed pedestrian test subjects in both constrained and open environments.
“Of all these things, the only thing that stood out was that kids tend to have a stronger bias for the counterclockwise direction, so probably age plays a role in making the effect weaker or stronger,” said Feliciani. “Our results may appear as a minor, insignificant discovery, but in nature, most phenomena related to locomotion show that animals mostly walk without directional preference.”
“The strong bias found in people hints to some asymmetry at the biomechanical level,” Feliciani added.
With the international project having confirmed the counterclockwise trend, the researchers are now moving on to more granular exploration of the phenomenon at the individual level. They hope that this more individualized research will yield some information on what biomechanical factors may be driving the behavior.
“It likely does not come from the eyes, because we tried to patch people’s left or the right eyes and the bias was still there,” Feliciani said. “And some people asked us if it might be large-scale phenomena like the Coriolis force or Earth’s magnetic field, but this seems unlikely given what we have managed to point to so far. “
Both lead investigator Iñaki Echeverría Huarte and Feliciani say that the Coriolis effect has become something of a joke among the team, and that they are invariably asked about it when presenting their findings.
“As a curious aside, a friend and collaborator in Argentina was intrigued enough to run some similar experiments when he heard about this,” Huarte told The Debrief of the team’s research in an email. “He tells me that, with no proper scientific confirmation yet, the counterclockwise rotation still seems to be there in the southern hemisphere too.
“There are some interesting parallels to certain sports,” Feliciani concluded. “Some running and driving competitions are always, but inexplicably, taken on courses that run counterclockwise. But that’s an investigation for another time.”
The paper, “Individual Locomotor Bias Drives Counterclockwise Motion in Pedestrian Crowds,” appeared in Nature Communications on June 10, 2026.
Ryan Whalen covers science and technology for The Debrief. He holds an MA in History and a Master of Library and Information Science with a certificate in Data Science. He can be contacted at ryan@thedebrief.org, and follow him on Twitter @mdntwvlf.
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Com milhares de modelos, edição de fotos e vídeos com IA e colaboração em tempo real, o Canva é a plataforma criativa que transformou o design numa competência ao alcance de qualquer pessoa, sem exigir experiência.
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