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Phys.org / Why we may be misreading our dogs' emotions

Humans and dogs have been living together side by side for thousands of years, so you would think we know everything about our four-legged friends by now. But we may not understand them as well as we think we do.

Dec 27, 2025 in Biology
Tech Xplore / Researchers create world's smallest programmable, autonomous robots

Researchers at the University of Pennsylvania and University of Michigan have created the world's smallest fully programmable, autonomous robots: microscopic swimming machines that can independently sense and respond to their ...

Dec 25, 2025 in Robotics
Phys.org / Fabricating single-photon light sources from carbon nanotubes

Tiny tubes of carbon that emit single photons from just one point along their length have been made in a deterministic manner by RIKEN researchers. Such carbon nanotubes could form the basis of future quantum technologies ...

Dec 25, 2025 in Nanotechnology
Phys.org / ALMA datasets elucidate nearby galaxy NGC 1266's massive molecular outflow

By analyzing the archival data from the Atacama Large Millimeter/submillimeter Array (ALMA), an international team of astronomers has inspected the outflow of a nearby galaxy known as NGC 1266. Results of the new study, presented ...

Dec 28, 2025 in Astronomy & Space
Tech Xplore / Unlocking corrosion-free Zn/Br flow batteries for grid-scale energy storage

Scientists have found a way to push zinc–bromine flow batteries to the next level. By trapping corrosive bromine with a simple molecular scavenger, they were able to remove a major barrier to the performance and lifespan ...

Dec 24, 2025 in Energy & Green Tech
Phys.org / Why California's milk cartons may lose their coveted recycling symbol

California milk cartons may lose their coveted recycling symbol, the one with the chasing arrows, potentially threatening the existence of the ubiquitous beverage containers.

Dec 24, 2025 in Earth
Phys.org / Southern California braces for devastating Christmas storm

Flash flood warnings were in effect in Los Angeles and most of southern California on Wednesday as one of the worst Christmas storms in recent memory brought heavy rain and fears of deadly mudslides.

Dec 24, 2025 in Earth
Phys.org / Maryland climate commission calls for state action amid budget pressure

The Maryland Commission on Climate Change released its 2025 annual report on Dec. 23, offering a new set of recommendations aimed at helping the state meet aggressive greenhouse gas reduction goals while preparing communities ...

Dec 24, 2025 in Earth
Phys.org / Evidence of a quantum spin liquid ground state in a kagome material

Quantum spin liquids are exotic states of matter in which spins (i.e., the intrinsic angular momentum of electrons) do not settle into an ordered pattern and continue to fluctuate, even at extremely low temperatures. This ...

Dec 27, 2025 in Physics
Medical Xpress / How gut bacteria could help to diagnose teen depression

Major depressive disorder (MDD) is a debilitating psychiatric condition characterized by a persistently low mood, a lack of motivation, feelings of hopelessness, altered sleeping and/or eating patterns, and a reduced interest ...

Dec 27, 2025 in Psychology & Psychiatry
Phys.org / Ultra-hot lava world has thick atmosphere, upending expectations

A Carnegie-led team of astronomers detected the strongest evidence yet of an atmosphere around a rocky planet beyond our solar system. Their work, published in The Astrophysical Journal Letters, used NASA's JWST to reveal ...

Dec 28, 2025 in Astronomy & Space
Phys.org / Ancient mega-shark ruled Australian seas 15 million years before megalodon

In the age of dinosaurs—before whales, great whites or the bus-sized megalodon—a monstrous shark prowled the waters off what's now northern Australia, among the sea monsters of the Cretaceous period.

Dec 28, 2025 in Biology