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Medical Xpress / Molecular cause of age-related cognitive decline identified

A research team from University Hospitals, Case Western Reserve University and the Louis Stokes Cleveland VA Medical Center has identified a critical molecular cause of age-related cognitive decline, potentially paving the ...

5 hours ago
Phys.org / Why do cats groom each other? Research found that it is not always friendly

Cats are the most popular companion animals worldwide, and many people have multiple cats at home. In these multicat households, not all the cats get along equally well. Until recently, it was thought that if a cat licks ...

3 hours ago
Phys.org / Primordial halo simulations reveal how cosmic storms shaped the universe's first stars

Just a few hundred million years after the Big Bang, the universe was a dark and simple place. There were no galaxies like the Milky Way, no planets, and no heavy elements such as carbon or oxygen. Instead, vast clouds of ...

5 hours ago
Phys.org / Underwater expedition charts seaweed forests in the remote waters of southern Patagonia

At the icy, wind-swept tip of South America lies Inútil Bay, a remote marine environment in the Tierra del Fuego archipelago that has long guarded its underwater secrets because of severe logistical and meteorological challenges. ...

2 hours ago
Medical Xpress / People who lift weights live longer: New study

Strength training has long been seen as something you mainly do to build muscle or look good. But a new study adds to a growing body of evidence showing that lifting weights does far more than change how we look. It may help ...

2 hours ago
Medical Xpress / Scientists discover ancient neurons that control attention

Neurons tucked away in an ancient part of the brain control the ability to pay attention by suppressing distractions and directing focus. The discovery of these neurons in mice by Johns Hopkins University researchers, in ...

5 hours ago
Phys.org / Third known interstellar visitor 3I/ATLAS may be billions of years older than the solar system, study finds

An interstellar comet that blazed past the sun last year could be nearly three times older than our solar system and is unlike anything ever seen before in our cosmic backyard, astronomers said Monday.

6 hours ago
Phys.org / The Caspian Sea has lost an area nearly the size of Sicily: Human activities are a major reason why

The Caspian Sea, the largest inland body of water on Earth, is shrinking. Not fluctuating, not entering another natural cycle, but shrinking.

6 hours ago
Phys.org / Bow-and-arrow-shaped radio galaxy discovered by citizen scientist

Astronomers have discovered a "remarkable" bow-and-arrow-shaped radio galaxy with an enormous arc-like structure extending nearly 1.8 million light-years across. The newly identified system, detailed in a new paper published ...

7 hours ago
Phys.org / Researchers reveal Hong Kong as a 'biodiversity ark' for yellow-crested cockatoos and expand nesting support

A new genomic study by researchers from the HKU School of Biological Sciences (SBS) has found that Hong Kong's introduced population of yellow-crested cockatoos retains unexpectedly high genetic diversity and could serve ...

3 hours ago
Phys.org / Heat stress exposure climbed from 16% to 22% worldwide over 50 years, study shows

The number of people exposed to dangerous heat stress worldwide has risen sharply over the past half-century, propelled by climate change, according to a study released Monday as Europe sweltered through a punishing heat ...

6 hours ago
Medical Xpress / Colon cancer cells may change identity to metastasize

Loss of GATA6—a transcription factor that controls which genes are turned on or off—can reprogram colorectal cancer cells into more primitive, adaptable states that can then spread to the liver and establish new tumors, according ...

3 hours ago