Phys.org news

Phys.org / Heat can cut insect survival but boost reproduction, study shows

Rising global temperatures are changing the rules for survival—and reproduction—for many species. A new study from Saint Louis University reveals that predicting which species will persist under climate change is more ...

Dec 3, 2025 in Biology
Phys.org / Decoding how the human proteasome recognizes branched ubiquitin chains

Researchers at National Taiwan University have uncovered, for the first time at atomic resolution, how the human proteasome recognizes branched ubiquitin chains. Their finding reveals a multivalent decoding mechanism that ...

Dec 3, 2025 in Biology
Phys.org / A new tunable cell-sorting device with potential biomedical applications

Poly(N-isopropylacrylamide) (PNIPAM) hydrogel undergoes significant but precise changes in size between 20°C and 40°C, making it an excellent candidate for use in variable-size deterministic lateral displacement (DLD) array ...

Dec 3, 2025 in Biology
Phys.org / Missing transporter protein found: How rice distributes iron to young leaves

Iron (Fe) is an essential micronutrient for the healthy growth of plants, including many staple crops like rice. Its deficiency remains a common agricultural problem that slashes crop yields, as it leads to impaired photosynthesis, ...

Dec 3, 2025 in Biology
Phys.org / Nursery web spider uses legs to 'sniff out' its partners

Male nursery web spiders (Pisaura mirabilis) use the sense of smell in their legs to find mates. Researchers at the University of Greifswald used an electron microscope to discover "olfactory hairs" on the legs of adult males. ...

Dec 3, 2025 in Biology
Phys.org / Cats adjust their communication strategy by meowing more when greeting men

As many cat owners will testify, their pets are often mysterious creatures, independent, cunning and sometimes aloof. And now it appears that when it comes to communication, they might be playing favorites. A new study published ...

Dec 2, 2025 in Biology
Phys.org / Chimpanzee calls trigger unique brain activity in humans, revealing shared vocal processing skills

The brain doesn't just recognize the human voice. A study by the University of Geneva (UNIGE) shows that certain areas of our auditory cortex respond specifically to the vocalizations of chimpanzees, our closest cousins, ...

Dec 2, 2025 in Biology
Phys.org / Archaeological study challenges paleo diet, revealing humans have long eaten 'processed plant foods'

Humans evolved over hundreds of thousands of years to be the ultimate flexible eaters—chasing carbohydrates and fats from plant and animal sources alike. A new study in the Journal of Archaeological Research by researchers ...

Dec 2, 2025 in Other Sciences
Phys.org / Sugars, 'gum,' stardust found in NASA's asteroid Bennu samples

The asteroid Bennu continues to provide new clues to scientists' biggest questions about the formation of the early solar system and the origins of life. As part of the ongoing study of pristine samples delivered to Earth ...

Dec 2, 2025 in Astronomy & Space
Phys.org / Ancient stalagmite provides insights into how climate affected early communities in cradle of civilization

The Fertile Crescent, a boomerang-shaped region spanning modern-day Middle Eastern countries, is considered the cradle of civilization and where farming first emerged. But little is known about how climate change influenced ...

Dec 2, 2025 in Earth
Phys.org / Astronomers confirm low-luminosity active galactic nucleus in nearby galaxy NGC 3221

Using ESA's XMM-Newton satellite, astronomers from Stanford University and elsewhere have conducted deep X-ray observations of a nearby galaxy known as NGC 3221. The new observational campaign detected a faint active galactic ...

Dec 2, 2025 in Astronomy & Space
Phys.org / Chesapeake Bay's storm surge tides can be 47% higher than the open ocean

When hurricanes or strong storms sweep up the United States' East Coast and meet the shores of the country's largest estuary, Chesapeake Bay, the familiar pattern of storm activity gets a little more complicated. A new study, ...

Dec 2, 2025 in Earth