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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 ...

17 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 ...

17 hours ago
Phys.org / From the lab to the moon: Lunar cement alternative survives 6 months on ISS and returned stronger in some tests

Building material samples from the University of Delaware spent six months mounted outside the International Space Station, where the harsh conditions of low Earth orbit tested their limits.

20 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 ...

18 hours ago
Phys.org / Varroa risk to Tasmanian crop pollination

A study by the Tasmanian Institute of Agriculture (TIA) has highlighted the impact Varroa mites will have on crop pollination in Tasmania if the parasitic mites become established in the state. The study was prompted by the ...

10 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 ...

17 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 ...

18 hours ago
Medical Xpress / Alcohol drives opposite brain circuit changes in amyloid and tau Alzheimer's models

Alcohol use has been associated with an increased risk of cognitive decline and dementia. But new research from Texas A&M University's Naresh K. Vashisht College of Medicine at Texas A&M Health suggests the relationship between ...

14 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 ...

18 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.

18 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 ...

18 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 ...

18 hours ago