Phys.org news

Phys.org / Chinchorro mummification may have originated as a form of art therapy, study suggests

In a recent study published in the Cambridge Archaeological Journal, Dr. Bernardo Arriaza argues that the practice of artificial mummification among the Chinchorro people may have evolved as a response to high infant mortality ...

Dec 26, 2025 in Other Sciences
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
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 / 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 / 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
Phys.org / Flaring black hole whips up ultra-fast winds

Leading X-ray space telescopes XMM-Newton and XRISM have spotted a never-seen-before blast from a supermassive black hole. In a matter of hours, the gravitational monster whipped up powerful winds, flinging material out into ...

Dec 26, 2025 in Astronomy & Space
Phys.org / Elusive wild cat feared extinct rediscovered in Thailand

An elusive wild cat long feared extinct in Thailand has been rediscovered three decades after the last recorded sighting, conservation authorities and an NGO said Friday.

Dec 26, 2025 in Biology
Phys.org / Archaeologists discover unique mosaic patolli board at Guatemalan Maya city

In a study published in Latin American Antiquity, Dr. Julien Hiquet and Dr. Rémi Méreuze analyzed the remains of a unique mosaic-style patolli game board discovered in the Classic Period city of Naachtun, Guatemala.

Dec 25, 2025 in Other Sciences
Phys.org / New Guineans and Aboriginal Australians descend from two groups who arrived 60,000 years ago, research suggests

A collaboration between the University of Huddersfield's Archaeogenetics Research Group and the University of Southampton's Center for Maritime Archaeology, has clarified the first settlement of New Guinea and Australia by ...

Dec 25, 2025 in Other Sciences
Phys.org / Supernova from the dawn of the universe captured by James Webb Space Telescope

An international team of astronomers has achieved a first in probing the early universe, using the James Webb Space Telescope (JWST), detecting a supernova—the explosive death of a massive star—at an unprecedented cosmic ...

Dec 25, 2025 in Astronomy & Space
Phys.org / Study says African penguins starved en masse off South Africa

Endangered penguins living off South Africa's coast have likely starved en masse due to food shortages, a study said, with some populations dropping by 95% in just eight years.

Dec 25, 2025 in Biology
Phys.org / Ultracold atoms observed climbing a quantum staircase

For the first time, scientists have observed the iconic Shapiro steps, a staircase-like quantum effect, in ultracold atoms.

Dec 25, 2025 in Physics