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Phys.org / Ultrafast switching device unlocks low-power optical-to-electrical conversion for AI hardware

Modern energy demands are soaring as technologies like AI and IoT become more common, and researchers have been working hard to develop hardware that can keep up. Now, a team of researchers from the University of Tokyo has ...

19 hours ago
Science X / How swarms of tiny light-controlled robots could revolutionize wound care

Having a swarm of microbots moving across your body may sound like the stuff of a horror movie, but it could actually be the future of targeted drug delivery and advanced wound healing. Scientists have developed a way to ...

17 hours ago
Phys.org / DNA floating in seawater is now enough to let scientists monitor the health of America's dolphin populations

DNA is everywhere in the world's oceans—not only packaged inside cells from skin, scales, mucus, feces, and blood, but also floating freely. Sequencing such "environmental DNA" (eDNA) from open water has long been used as ...

11 hours ago
Tech Xplore / Data centers raise nearby temperatures by up to 4 degrees in Phoenix

Waste heat from data centers can boost air temperatures in downwind neighborhoods by as much as 4 degrees Fahrenheit, researchers at Arizona State University report in a new study conducted in the Phoenix metro area, the ...

21 hours ago
Phys.org / White hydrogen discovered in billion-year-old Canadian Shield rock points to potential new energy source

Within the Canadian Shield, hydrogen gas is steadily building up naturally among some of the oldest rocks on Earth. Now, for the first time, geochemists at the University of Toronto and the University of Ottawa have measured ...

20 hours ago
Medical Xpress / Why brain cells learn better: NMDA receptor maps may explain memory-linked calcium flow

The human brain constantly adapts in response to experiences, forming new connections between neurons and reorganizing existing ones. The brain's ability to adapt in response to experiences is known as neuroplasticity.

21 hours ago
Phys.org / How much worse could western wildfires get? New modeling changes projections

Across the western United States, wildfires are increasing in size and intensity. As the climate continues to warm, more extreme wildfires will reshape landscapes and pose a growing risk to human health and natural ecosystems ...

13 hours ago
Phys.org / AI-generated fake citations are flooding scientific literature across publications, scientists warn

The citations at the end of a research paper should represent a solid foundation of existing knowledge about a particular field, a pool of peer-reviewed sources built over years of research and study. However, with the increasing ...

23 hours ago
Phys.org / Debunking a core chemistry concept taught in classrooms everywhere

A new study has revealed that a core idea taught in chemistry classrooms around the world may be wrong. Dr. Edwin Johnson, Lecturer at the University of Newcastle, co-authored the paper published in the Journal of Chemical ...

22 hours ago
Phys.org / Argentine scientists lay first traps in hantavirus hunt

Scientists attempting to determine whether or not hantavirus is present in Argentina's Ushuaia on Monday laid the very first traps to catch rodents potentially carrying the disease, AFP journalists observed.

7 hours ago
Phys.org / As bee population collapses, US apiarists fear research cuts

In a lot behind a disused West Virginia gas station at the foot of the Appalachian Mountains, Roy Funkhouser is surrounded by about a dozen beekeepers and countless buzzing bees.

7 hours ago
Medical Xpress / Africa CDC declares continental emergency over Ebola outbreak

The Africa Centers for Disease Control and Prevention (Africa CDC) has declared the Ebola outbreak in DR Congo and Uganda a Continental Public Health Emergency, in a statement late Monday.

7 hours ago