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Phys.org / Deforestation lessens Amazon rainfall—and climate change hastens that process, study finds

Climate change makes the southern Amazon's rain increasingly sensitive to deforestation, a new study finds. Clearing large areas of forest can trigger severe and lasting reductions in rainfall regardless of climate, but as ...

8 hours ago
Phys.org / Rapidly melting Antarctic ice shelves may cause global sea levels to rise far faster than expected

Global sea levels may rise faster than previously expected, suggests a new study in Nature Communications. The reason is that warming oceans appear to be melting Antarctic ice shelves from below much more rapidly than expected.

12 hours ago
Phys.org / Artificial intelligence may accelerate the path to radicalization

How are ordinary people drawn into extremist circles—and what role can artificial intelligence play in that process? This question is addressed by a new study which, for the first time, combines psychological theories of ...

6 hours ago
Tech Xplore / AI use surges globally but rich-poor divide widens, Microsoft says

Generative artificial intelligence is being used by 17.8% of the world's working-age population, but the gap between wealthy and developing nations continues to widen, according to a report published Tuesday by Microsoft.

3 hours ago
Medical Xpress / Past hantavirus outbreak shows how Andes virus spreads

An elderly man had just started running a fever when he walked into a birthday party in the small village of Epuyen in southwest Argentina in 2018.

3 hours ago
Science X / Your social feed hides a loneliness trap, and the people you barely know are at the center

A first-of-its-kind study of U.S. adults suggests that all of those strangers you're friends with on social media are not helping you to feel less lonely. On the contrary, social media connection with people you don't know ...

5 hours ago
Phys.org / These monster black holes did not form the usual way—their history of violence is written into spacetime ripples

The most massive black holes in the universe detected by the ripples they make in spacetime were not born directly from collapsing stars, according to a new study. These cosmic giants instead build up through a series of ...

12 hours ago
Medical Xpress / Hantavirus not like COVID: doctor treating patient in Netherlands

The hantavirus that has broken out on the cruise ship MV Hondius is much less transmissible than COVID, the head of the Dutch unit treating one of the patients told AFP Thursday.

3 hours ago
Phys.org / Photonics advance could enable compact, high-performance lidar sensors

Lidar systems use pulses of infrared light to measure distance and map a 3D scene with high resolution, allowing autonomous vehicles to rapidly react to obstacles that appear in their path. But traditional lidar sensors are ...

5 hours ago
Medical Xpress / Scientists finally see inside the 'black box' of depression treatment

Transcranial magnetic stimulation (TMS) is a noninvasive, FDA-approved therapy that uses brief magnetic pulses to treat depression, particularly in patients who do not respond to medication. Yet scientists have long struggled ...

5 hours ago
Tech Xplore / Copper cold plates could slash data-center energy usage

Mechanical engineers have designed a more effective and energy-efficient technology for cooling computer chips. Published in Cell Reports Physical Science, the researchers used a mathematical algorithm and advanced 3D printing ...

5 hours ago
Medical Xpress / Digital therapy outperforms referrals to campus clinics among college students

College students with anxiety, depression and eating disorders may be more likely to start and to respond more positively to therapy offered via a digital app compared to referrals to in-person campus clinics, according to ...

12 hours ago