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Phys.org / New study pinpoints climate conditions for restoring the endangered butternut tree

The butternut tree, a close relative of black walnut prized for its pale wood and wildlife value, is on the brink of disappearing from North American forests. A new study from Virginia Tech offers hope that the species could ...

11 hours ago
Medical Xpress / No need to sign up for gym: Even small movements have health benefits

South Africa is facing an alarming increase in non-communicable diseases and related mortality. According to Statistics South Africa, deaths due to non-communicable diseases such as type 2 diabetes and hypertension increased ...

9 hours ago
Medical Xpress / Why AI health chatbots won't make you better at diagnosing yourself: New research

Millions of people are turning to artificial intelligence (AI) chatbots for advice on everything from cooking to tax returns. Increasingly, they are also asking chatbots about their health.

5 hours ago
Phys.org / Artemis mission shares office space—and physics—with Apollo

As four astronauts whiz toward a flyby of the moon, looking out for them are mission control experts using cutting-edge technology and lessons learned from the Apollo program 50 years ago.

12 hours ago
Phys.org / Our modern vision evolved from an ancient one‑eyed worm creature

It's easy to take our eyes for granted. But our recent research shows they took an incredible evolutionary journey to reach their current familiar form.

13 hours ago
Medical Xpress / Intermittent fasting positively affects female hormones in PCOS, study finds

Polycystic ovary syndrome, or PCOS, affects as many as 18% of all childbearing-age women. The condition occurs when a woman's body produces too much of a group of hormones called androgens, chiefly testosterone. Menstrual ...

11 hours ago
Phys.org / Do narcissists ruin relationships over time? A six-year study suggests a more complex pattern

New research from Michigan State University challenges the popular assumption that narcissists gradually damage their relationships over time.

11 hours ago
Phys.org / Iridium's hidden surface chemistry may change how hydrogen and chlorine are made

Iridium is a key component in many electrochemical technologies used for chemical transformations. These include producing hydrogen fuel from water, manufacturing chlorine from seawater for use as a disinfectant and extracting ...

12 hours ago
Medical Xpress / Study reveals sharp vision comes from single cone cells in the fovea

The human eye can see with exceptional detail, allowing people to read fine print, recognize faces across the room, and take in the features in nature. Scientists have long debated how this sharp vision works at the cellular ...

11 hours ago
Phys.org / 58 tortillas, five hot sauces and one toilet: life aboard spacecraft Orion

They're sipping smoothies, snapping phone pics, dealing with crashed email and fixing broken toilets: astronauts, they're just like us.

13 hours ago
Medical Xpress / Longer weekly home-visit rehabilitations linked to improved activities of daily living in older adults

In aging societies, the role of home-visit rehabilitation (HR)—which provides physical, occupational, and speech therapy in patients' homes—is becoming increasingly important for supporting independent living. Although previous ...

10 hours ago
Medical Xpress / The challenge of delivering evidence‑based medicine in children's care

It is easy to overlook the fact that over 90% of medical treatments are not backed by strong evidence. People can find it frustrating—even infuriating—when a review concludes that the evidence for a treatment is too weak ...

11 hours ago