All News

Phys.org / Birds that put more energy into parenthood age faster and die younger, research shows

In a new study, appearing in Proceedings of the Royal Society B: Biological Sciences, scientists selectively bred Japanese quails into two groups: laying either relatively large or small eggs. As the quails don't do much ...

13 hours ago
Phys.org / Could dark matter be made of black holes from a different universe?

New research suggests that relic black holes from before the big bang may still shape galaxies today. These black holes could explain dark matter, one of the biggest unsolved questions in cosmology.

21 hours ago
Medical Xpress / Modern lifestyles may be affecting how our bodies recycle estrogen

Our industrialized, modern lifestyles may be increasing how much estrogen (the female sex hormone) gets recycled in our bodies, according to a study published in the journal Proceedings of the National Academy of Sciences. ...

20 hours ago
Phys.org / After 9,000 years of cultivation, rice has reached its thermal limit

Rice has historically been a heat-loving plant. In fact, the wild ancestor of cultivated rice once grew primarily on the sweltering, rain-swept Malay and Indochina peninsulas as well as the islands of Southeast Asia. It wasn't ...

14 hours ago
Phys.org / Super magma reservoirs discovered beneath Tuscany

How can magma buried 5, 10, or even 15 km underground be detected without any surface indicators? The answer lies in ambient noise tomography, a technique that analyzes natural ground vibrations with high precision. A team ...

20 hours ago
Phys.org / Discovery of Addison's disease gene in dogs could help humans as well

Among dog breeds, Nova Scotia duck tolling retrievers (tollers) have an unusually high rate of Addison's disease, a condition in which the adrenal glands do not produce enough hormones, notably cortisol and aldosterone. In ...

12 hours ago
Phys.org / Droplet impacts reveal surprising physics in shear-thickening fluids

From ketchup to quicksand, non-Newtonian fluids have long fascinated and puzzled scientists. Unlike ordinary fluids, their flow properties change depending on how much force is applied, but the precise mechanics governing ...

21 hours ago
Tech Xplore / AI-driven chip shortage slowing efforts to get world online: GSMA

A memory chip crunch fueled by the artificial intelligence boom is hindering efforts to bring more people online worldwide, the head of the GSMA telecoms industry association told AFP.

3 hours ago
Phys.org / Webb redefines the dividing line between planets and stars

Planets, like those in our solar system, form in a bottom-up process where small bits of rock and ice clump together and grow larger over time. But the heftier the planet, the harder it is to explain its formation that way.

15 hours ago
Phys.org / Saltwater is closing in on coastal groundwater, putting billions and food supplies at risk

Coastal groundwater is a key source of drinking water in many regions of the world. However, it is threatened by overabstraction and the potential for salinization. Rising sea levels are further exacerbating the situation. ...

15 hours ago
Medical Xpress / Combining new drug with chemotherapy extends survival of platinum-resistant ovarian cancer patients in clinical trial

Platinum-based chemotherapy is a standard treatment for ovarian cancer, but its effectiveness can be limited in some cases. In some patients, the disease returns or progresses within six months of the last platinum dose, ...

21 hours ago
Phys.org / Young stars dim quickly in their X-ray output, potentially benefiting orbiting planets

Scientists have found that young stellar cousins of our sun are calming down and dimming more quickly in their X-ray output than previously thought, according to a new study using NASA's Chandra X-ray Observatory. A paper ...

12 hours ago