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Medical Xpress / Key protein may shape how the brain links cues to rewards

A new finding from researchers at Georgetown University Medical Center shows that the learning process of associating cues with rewards can be altered by increased or decreased activity of a specific protein in the brain. ...

Dec 9, 2025 in Psychology & Psychiatry
Phys.org / New 'remarkably tame' tinamou species discovered in Amazon mountains may already be at risk of extinction

The Amazon rainforest has yielded yet another new species, according to a recent study published in Zootaxa. Discovered in the mountains of the Serra do Divisor National Park (SDNP) in Brazil, this ground-dwelling bird has ...

Dec 6, 2025 in Biology
Phys.org / Online sharing can push us apart, but when it's authentic it can bring us together

We spend a huge part of our social lives online. Over five billion people scroll, post and comment on social media every day, using these platforms to keep in touch, share experiences and express themselves. Yet social media ...

Dec 10, 2025 in Other Sciences
Phys.org / Researchers say versatile grass could be used for sustainable fuel, building materials and more

When you look across a field of miscanthus, it's "hypnotically beautiful," says Emily Heaton, whose family farm has for two decades grown the first commercial field of this grass in Illinois. Dense, sun-loving and often called ...

Dec 9, 2025 in Biology
Medical Xpress / A subset of patients with depression could benefit from anti-inflammatory treatment, study finds

At any given moment in time, more than 400 million individuals worldwide are battling depression. The antidepressant treatments currently available don't work for many and there is a real need for new, effective treatments.

Dec 10, 2025 in Psychology & Psychiatry
Medical Xpress / Be careful trusting TikTok for gout advice, warn health professionals

A new paper in Rheumatology Advances in Practice indicates that TikTok videos about gout are commonly misleading, inconsistent, or inaccurate. The paper is titled "Gout, TikTok and misleading information: A content analysis."

Dec 10, 2025 in Health
Phys.org / Human hair grows through 'pulling' not pushing, study shows

Scientists have found that human hair growth does not grow by being pushed out of the root; it's actually pulled upward by a force associated with a hidden network of moving cells. The findings challenge decades of textbook ...

Dec 4, 2025 in Biology
Phys.org / Close-up images show how stars explode in real time

Astronomers have captured images of two stellar explosions—known as novae—within days of their eruption and in unprecedented detail. The breakthrough provides direct evidence that these explosions are more complex than ...

Dec 5, 2025 in Astronomy & Space
Phys.org / Engineering analysis of Thrinaxodon fossils uncovers unexpectedly advanced hearing in early mammal kin

One of the most important steps in the evolution of modern mammals was the development of highly sensitive hearing. The middle ear of mammals, with an eardrum and several small bones, allows us to hear a broad range of frequencies ...

Dec 8, 2025 in Biology
Medical Xpress / Enhancing breast cancer screening could help save young women's lives

In Estonia, breast cancer screening is offered from the age of 50, yet one-fifth of first diagnoses occur in younger women. A new clinical study has therefore been conducted to test better ways to detect the disease early.

Dec 9, 2025 in Oncology & Cancer
Phys.org / Rage bait: The psychology behind social media's angriest posts

"Rage bait" has been named the word of the year by the Oxford University Press. It means social media content that is designed to create a strong and negative reaction.

Dec 10, 2025 in Other Sciences
Phys.org / The 'hobbits' mysteriously disappeared 50,000 years ago. Our new study reveals what happened to their home

About 50,000 years ago, humanity lost one of its last surviving hominin cousins, Homo floresiensis (also known as "the hobbit" thanks to its small stature). The cause of its disappearance, after more than a million years ...

Dec 8, 2025 in Other Sciences