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Phys.org / Swimming crab trapped in plastic bottle survives two months at sea

How did a large crab end up trapped inside a plastic bottle with an opening smaller than its body? Hiroshima University researchers investigated this unusual marine mystery, revealing a lesser-known impact of marine plastic ...

23 hours ago
Phys.org / Airborne AI spots underwater munitions in shallow seas with high precision

A new airborne imaging approach can reliably detect unexploded weapons that lie in shallow coastal waters and remain an ongoing hazard to public safety, marine ecosystems and infrastructure worldwide. By combining advanced ...

11 hours ago
Phys.org / Analog gravity advance offers new insights into Hawking radiation from black holes

Hawking radiation is a form of radiation emitted by black holes, as theoretically predicted by Stephen Hawking. It suggests that black holes do not merely swallow matter—as had previously been assumed—but also emit very faint ...

22 hours ago
Phys.org / Modest meat and dairy cuts could help Scotland lower emissions and keep diets affordable

Modest changes to meat and dairy consumption could help Scotland meet climate goals while improving health and nutrition, research shows. A modeling study appearing in Nature Food found that using vegetables, beans and eggs ...

3 hours ago
Phys.org / Dynamic black holes may obey Hawking-style thermodynamics with an alternative entropy measure

Of the known things in the universe, black holes are among the most extreme. They pack huge amounts of mass densely into a small area, producing gravity that is so strong that even light cannot escape. To describe their properties, ...

18 hours ago
Phys.org / Quantum semiconductor design could expand search for dark matter

Dark matter accounts for 85% of the matter in the universe, but scientists still do not know what it is made of. A study, published in Physical Review Letters, by Rice University researchers proposes a detector design that ...

22 hours ago
Phys.org / Simulation reveals how glaciers transported rocks across the Alps 24,000 years ago

Many of the boulders scattered across the Swiss landscape did not originate where they now stand. Instead, they were carried by ice nearly 24,000 years ago. For the first time, researchers at the University of Lausanne (UNIL) ...

12 hours ago
Phys.org / What makes a star a star? A strange 'in‑between' celestial object is testing astronomers' boundaries

A star called TOI-2155 lies around 1,350 light-years (839 trillion miles) from Earth. It is a little bigger, heavier and hotter than the sun, and it is not particularly interesting or unusual in itself.

19 hours ago
Phys.org / Ecological factors, not social behavior, explain brain size in cephalopods

Octopuses, squid and cuttlefish may have evolved large brains because of the challenges posed by their environments rather than the demands of social life, according to a new study published in iScience today.

13 hours ago
Phys.org / Nanozymes map nanoparticle routes inside live cells without genetic engineering

Nanoparticles are widely used in medicine to deliver drugs, genes or imaging agents to specific parts of the body. Once a nanoparticle reaches a cell, however, many things can happen—it can reach its target, be degraded, ...

12 hours ago
Phys.org / Coral loss may erase up to $3 billion in Hawaiʻi reef recreation by 2100

Coral reef decline driven by climate change could cost Hawaiʻi residents between $1.8 billion and $3 billion in lost reef-related activities by 2100, according to a new study published in Ecological Economics. The research ...

13 hours ago
Phys.org / More Canadian than the beaver? Scientists discover a western toad found only in Canada

The beaver and moose may be enduring symbols of Canadian wildlife, but neither is uniquely Canadian from a genetic perspective. But a team of researchers from the University of Ottawa has now discovered something rare: a ...

13 hours ago