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Phys.org / Astronomers dig deep to find tiny dangerous space debris

In a new study, published in the Journal of the Astronautical Sciences, Warwick researchers led an international effort to uncover some of the faintest debris in geosynchronous orbit ever observed, finding fragments as small ...

20 hours ago
Phys.org / Indigenous peoples in the Amazon face massive cultural and ecological loss due to climate change

The Amazon region, Earth's most important ecosystem, is home to more than 400 Indigenous groups that use thousands of rainforest plant species. They pass on their knowledge of the flora primarily through oral tradition, usually ...

19 hours ago
Phys.org / Block-by-block AI maps uncover real urban air temperatures across 380 U.S. cities

Cities are often described as "heat islands," with media reports warning that some neighborhoods can be 20° F (7° C) hotter than others. But those temperatures are often based on satellite data rather than the conditions ...

20 hours ago
Phys.org / Caddisfly silk gene evolves quickly without losing adhesive power

Caddisflies are among nature's master underwater builders, capable of spinning sticky silk that they use to form protective cases and webs in freshwater streams. Scientists like the University of Utah's Russell Stewart have ...

21 hours ago
Phys.org / Could geoengineering work to tamp down super El Niños?

With an anticipated "super" El Niño looming, a new study led by UC San Diego's Scripps Institution of Oceanography considers whether society could use a weather-altering technique as a tool to mitigate the floods, extreme ...

21 hours ago
Phys.org / Manganese risk in groundwater affects 200 million people, study shows

Manganese is an essential trace element. However, in excessive concentrations, the metal can cause health problems. Two Eawag researchers have now produced a global risk map for manganese in groundwater. Half of the world's ...

21 hours ago
Tech Xplore / AI memory bottleneck may ease as ultrathin chip stacks quadruple high-bandwidth memory density

A Korean research team has developed a technology that enables the stable stacking of more than 10 ultrathin semiconductor chips, each only one-fifth the thickness of a human hair. A research team successfully achieved an ...

22 hours ago
Phys.org / The language of play: Hyenas use facial expressions and vocalizations to de-escalate

Scientists observed spotted hyenas (Crocuta crocuta) playing in the wild and found that their precise, sophisticated communication is on par with that of many primate species. Hyenas play and romp with one another at all ...

20 hours ago
Phys.org / Maize-fed animals may have helped Maya farmers solve corn's protein deficiency

Maize (corn) is a major dietary staple in Maya communities past and present because of its reliability, potential for surplus, and suitability as both food and fodder. It became so important to ancient Mesoamerican communities ...

22 hours ago
Medical Xpress / Lung transplant dramatically improves survival for patients with terminal lung cancer, study finds

A landmark Northwestern Medicine study published in JAMA suggests lung transplantation can significantly extend survival in select patients with advanced lung cancer.

21 hours ago
Phys.org / Unraveling a long-standing solar mystery: The extreme thinness of the sun's tachocline layer

Researchers are closer to unraveling a longstanding solar mystery surrounding the extreme thinness of the sun's tachocline layer of strong shearing motion—a region believed to be critical for creating the violent eruptions ...

22 hours ago
Medical Xpress / Surgeons use teleoperated humanoid robots to perform live surgery—a world first

For the first time, two teleoperated humanoid robots have been used to complete two surgeries during a preclinical trial, researchers report in the July 8 issue of the journal Nature. The work is the result of a collaboration ...

22 hours ago