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Phys.org / French ban on 'forever chemicals' in cosmetics, clothing to enter force

A French ban on the production and sale of cosmetics and most clothing containing polluting and health-threatening "forever chemicals" goes into force on Thursday.

Dec 30, 2025 in Earth
Medical Xpress / Symptoms of a heart attack may emerge weeks beforehand: What to know

A heart attack is a medical emergency that requires an immediate call to the emergency services. However, there are sometimes warning signs that can show up weeks in advance that should prompt you to visit your doctor.

Dec 30, 2025 in Health
Phys.org / Nanozigzags, a new biomaterial, can enhance cancer immunotherapy efficacy by nearly 70%

Immunotherapy has emerged in recent years as a new cancer treatment that is gentler than traditional chemotherapy and causes milder side effects in patients. However, conventional dendritic cell (DC) immunotherapy shows inconsistent ...

Dec 30, 2025 in Nanotechnology
Phys.org / Image: Ball bearings as tools for studying physics in microgravity

In this Oct. 20, 2025, photo, tiny ball bearings surround a larger central bearing during the Fluid Particles experiment, conducted inside the Microgravity Science Glovebox (MSG) aboard the International Space Station's Destiny ...

Dec 30, 2025 in Physics
Phys.org / Detecting the hidden magnetism of altermagnets

Altermagnets are a newly recognized class of antiferromagnets whose magnetic structure behaves very differently from what is found in conventional systems. In conventional antiferromagnets, the sublattices are linked by simple ...

Dec 26, 2025 in Physics
Phys.org / 16,000 fossil footprints in central Bolivia reveal dinosaur behavior

Legend once had it that the huge, three-toed footprints scattered across the central highlands of Bolivia came from supernaturally strong monsters—capable of sinking their claws even into solid stone.

Dec 26, 2025 in Biology
Dialog / How pregnancy and breastfeeding enhance local immunity that cancer-proof the breast

For centuries, physicians observed that nuns, who are celibate, had much higher rates of breast cancer, leading to the theory that pregnancy, childbirth, and breastfeeding might be associated with lower breast cancer risk. ...

Phys.org / How did Bronze Age plague spread? A sheep might solve the mystery

In the Middle Ages, a plague killed a third of Europe's population. Fleas carried the plague bacterium, Yersinia pestis, transmitting the Black Death from infected rats to millions of people.

Dec 26, 2025 in Other Sciences
Phys.org / 'Weights of gold in bullion': How the ancients invested in precious metals

"All I want is an income of 20,000 sesterces from secure investments," proclaims a character in a poem by Juvenal (1st–2nd century CE), the Roman poet.

Dec 30, 2025 in Other Sciences
Phys.org / Five lessons about misinformation from ancient Greek and Roman scientists

Ancient scientists can be easy to dismiss.

Dec 29, 2025 in Other Sciences
Phys.org / Gemini and Blanco telescopes unlock clues to origin of longest gamma-ray burst ever observed

Gamma-ray bursts (GRBs) are among the most powerful explosions in the universe, second only to the Big Bang. The majority of these bursts are observed to flash and fade within a few seconds to minutes. But on 2 July 2025, ...

Dec 26, 2025 in Astronomy & Space
Tech Xplore / I grew up in the world's coldest city without central heating. Here's what the world can learn from us

On winter mornings in Harbin, where the air outside could freeze your eyelashes, I would wake up on a bed of warm earth.

Dec 30, 2025 in Engineering