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Phys.org / African grasslands expanded 5 million year earlier than previously thought, molecular fossils suggest
The iconic grassland savannas of Africa are geographically extensive and important for both local fauna and the global climate. But where did they come from, and how will they change in the future? Ongoing warming, rising ...
Phys.org / How drought is reshaping the spread of infectious diseases
From the American West to Europe, droughts are drying up rivers, fueling destructive fires and reshaping ecosystems. They are also changing the spread of infectious diseases, leading to surges in illnesses like cholera and ...
Medical Xpress / Ebola kills a victim every 30 minutes in DR Congo: UN
The Ebola virus in the Democratic Republic of the Congo is now killing a victim every 30 minutes, a top UN humanitarian official said Friday, calling for greater international action.
Phys.org / Understanding nature's 'dimmer switch': Study sheds new light on how algae regulate photosynthesis with pH
A new joint study from Constructor University and Princeton University in the Journal of the American Chemical Society focuses on PC645, a protein complex that contributes to cryptophyte algae's ability to photosynthesize ...
Phys.org / Indigenous land restitution empowers communities, but environmental gains require extra support
Charting a better future will require redressing the problems of the past. That's one reason many countries have begun to return dispossessed land to Indigenous peoples. The goal of Indigenous land restitution is to empower ...
Phys.org / The internet can't get enough of cats, but cats might have had enough of the internet
According to new research, viewers often dismiss, trivialize or even romanticize signs of cat distress during "play" interactions, raising concerns for cat welfare.
Medical Xpress / Quitting alcohol changes the brain and can increase the risk of compulsive drinking—new research in mice
For some, abstaining from alcohol can subsequently increase compulsive drinking. Our research team found that, in abstaining mice, this urge to drink is preceded by changes in the activity of a particular brain region, pointing ...
Phys.org / What happens to nanoparticles when they enter the bloodstream?
The use of nanoparticles in drug delivery offers key advantages: they can enable targeted drug delivery, protect active ingredients from premature degradation, extend their duration of action in the body and reduce side effects. ...
Phys.org / Space travel doesn't affect the strength of heart muscle cells, study finds
It's common to see images of astronauts on the International Space Station exercising, running on special treadmills and pedaling cycles designed for tight quarters.
Phys.org / Greenland glacier break creates new ice island
An international research team partly led by the University of Ottawa reports that Petermann Glacier in northwest Greenland calved a 76.4 km² (29.5 square miles) ice island on Aug. 4, 2026, marking the glacier's largest loss ...
Phys.org / Star cluster discovery could change how scientists measure the universe
University of Missouri researchers have uncovered evidence that challenges one of astronomy's most trusted assumptions, a breakthrough that could reshape how scientists measure galaxies and reconstruct the history of the ...
Phys.org / DESI releases biggest 2D map of the universe
Hold on to your telescopes: The DESI Legacy Imaging Surveys team has released the largest-ever 2D color map of the universe. The 5.6-trillion-pixel map contains nearly 4 billion celestial objects, primarily stars and galaxies. ...
