Phys.org news

Phys.org / Ancient American pronghorns were built for speed

The fastest land animal in North America is the American pronghorn, and previously, researchers thought it evolved its speed because of pressure from the now-extinct American cheetah. But recently, that theory has come under ...

16 hours ago in Biology
Phys.org / Weight-loss drugs are creating an environmental disaster—a new water-based method aims to change that

The world is in the middle of a peptide drug revolution. These short chains of amino acids—the building blocks of proteins—sit at the heart of some of the most successful medicines ever created, from weight-loss injections ...

17 hours ago in Chemistry
Phys.org / New mineral sunscreen reduces white cast by using tetrapod-shaped zinc oxide

UCLA researchers have developed a mineral sunscreen formulation that significantly reduces the white, chalky cast that keeps many people from wearing sun protection daily. For decades, dermatologists have urged people to ...

14 hours ago in Chemistry
Phys.org / The unraveling of the shrew, in winter: Studies decode genetic basis of seasonal organ shrinkage in mammals

Some mammals hibernate to survive in winter, but the Eurasian common shrew (Sorex araneus) employs Dehnel's phenomenon to get through it. This is a metabolic process that enables shrews to conserve energy by shrinking their ...

15 hours ago in Biology
Phys.org / We ate space mushrooms and survived to tell the tale

The mushrooms spread out on the chopping board seemed normal enough. They were rich and dense, and had a strong earthy aroma. In the saucepan, they melted—along with the cheese—to form a creamy pasta sauce.

17 hours ago in Astronomy & Space
Phys.org / CT scans unwrap secrets of ancient Egyptian life

Keck Medicine of USC radiologists use computed tomography (CT) scanners to diagnose and treat patients' diseases and injuries. Recently, however, this advanced technology was put to a far more novel use: examining the bodies ...

17 hours ago in Other Sciences
Phys.org / Tiny radio transmitters reveal a hidden survival tactic in birds

In Sturt National Park, near Tibooburra in central Australia where temperatures can range from freezing to nearly 50°C, there lives a small bird with a white back, forked tail and—as we've just discovered—a very clever ...

17 hours ago in Biology
Phys.org / Accurately predicting Arctic sea ice in real time

Arctic sea ice has large effects on the global climate. By cooling the planet, Arctic ice impacts ocean circulation, atmospheric patterns, and extreme weather conditions, even outside the Arctic region. However, climate change ...

17 hours ago in Earth
Phys.org / A hearing test for the world's rarest sea turtle: Understanding its vulnerability to human-caused noise

Kemp's ridley sea turtles are among the most endangered species of sea turtles in the world. They reside along the east and Gulf coasts of North America, alongside some of the world's most active shipping lanes. While the ...

17 hours ago in Biology
Phys.org / Superconductivity exposes altermagnetism by breaking symmetries, study suggests

How are superconductivity and magnetism connected? A puzzling relation between magnetism and superconductivity in a quantum material has lingered for decades—now, a study from TU Wien offers a surprising new explanation.

18 hours ago in Physics
Phys.org / Probiotics for plants: Microorganisms boost growth and nitrogen uptake

Researchers at the Technical University of Munich (TUM) have identified a bacterial genus that promotes root growth and nitrogen uptake in plants. The findings open new possibilities for developing customized "plant probiotics" ...

18 hours ago in Biology
Phys.org / Shrinking shellfish? Study uncovers acidic water risks in Indian River lagoon

Florida's Indian River Lagoon (IRL), one of the state's most ecologically productive estuaries, is facing a growing but invisible threat that could reshape its marine ecosystems. Over the past decade, the lagoon has suffered ...

18 hours ago in Biology