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Phys.org / Collapse of the Tang dynasty: Climate change likely played a role

Environmental phenomena and their consequences can disrupt social structures and destabilize political systems. An interdisciplinary research team demonstrated this using the example of the late Tang dynasty in medieval China.

4 hours ago in Earth
Medical Xpress / New blood test shows extent of brain injury after stroke—and reveals treatment effects

Strokes are a medical emergency, yet imaging can capture only snapshots of how brain damage develops in the hours and days that follow. For many other organs, blood tests can indicate acute injury, but until now the brain ...

Phys.org / Utah's other Great Salt Lake is underground, ancient, deep....and fresh

Under the Great Salt Lake playa lies a potentially vast reservoir of pressurized freshwater that has accumulated over thousands of years from mountain-derived snowmelt, according to new research from University of Utah geoscientists. ...

11 hours ago in Earth
Phys.org / ISS astronauts splash down on Earth after first-ever medical evacuation

Four International Space Station crewmembers splashed down in the Pacific Ocean on Thursday, NASA footage showed, after the first ever medical evacuation in the orbital lab's history.

12 hours ago in Astronomy & Space
Phys.org / Ocean impacts nearly double economic cost of climate change, study finds

For the first time, a study by researchers at Scripps Institution of Oceanography at the University of California, San Diego integrates climate-related damages to the ocean into the social cost of carbon—a measure of economic ...

12 hours ago in Earth
Phys.org / Increased deciduous tree dominance reduces wildfire carbon losses in boreal forests, study shows

As climate change drives more frequent and severe wildfires across boreal forests in Alaska and northwestern Canada, scientists are asking a critical question: Will these ecosystems continue to store carbon or become a growing ...

12 hours ago in Earth
Medical Xpress / Autonomous AI agents developed to detect early signs of cognitive decline

A team of Mass General Brigham researchers has developed one of the first fully autonomous artificial intelligence (AI) systems capable of screening for cognitive impairment using routine clinical documentation.

Phys.org / Insects are victims, not just invaders, says study

Insects are often seen as invaders due to high-profile species like the yellow-legged (Asian) hornet, the harlequin ladybird and fire ant. But new research reveals insects are also major victims of invasive alien species—exacerbating ...

13 hours ago in Biology
Medical Xpress / Physical activity linked to breast tissue composition and stress markers in teens

Recreational physical activity may be associated with breast tissue composition and biomarkers of stress in adolescent girls, according to a new study from Columbia University Mailman School of Public Health and the Herbert ...

Medical Xpress / Reprogrammed skin cells shed light on HIV-related cognitive impairment

Using participant skin cells reprogrammed into neurons, Weill Cornell Medicine researchers have identified genetic signatures associated with HIV infection that may contribute to the cognitive impairment that often occurs ...

5 hours ago in HIV & AIDS
Medical Xpress / Digital cognitive behavioral therapy can improve anxiety and asthma control

A new study shows that internet-delivered cognitive behavioral therapy (ICBT) can effectively reduce asthma-related anxiety in adults with asthma. Participants who received ICBT reported less anxiety related to their asthma, ...

3 hours ago in Inflammatory disorders
Tech Xplore / Ontario's proposed nuclear waste repository poses millennia-long ethical questions

The heat produced by the radioactive waste strikes you when you enter the storage site of Ontario Power Generation at the Bruce Nuclear Generating Station, near the shore of Lake Huron in Ontario.

3 hours ago in Energy & Green Tech