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Phys.org / How did inbred brown tree snakes take over the island of Guam?

If you look up invasive species in a textbook, there's a good chance you'll find a picture of a brown tree snake. Native to Australia and the South Pacific, the brown tree snake arrived on Guam sometime after World War II, ...

Jul 24, 2026
Phys.org / Forest productivity, not rapid warming, shapes Northern Eurasia's carbon sink

Northern Eurasia contains about 20% of the world's forests and plays a crucial role in mitigating climate change by absorbing atmospheric carbon dioxide, thereby acting as a major carbon sink. However, understanding the region's ...

Jul 26, 2026
Phys.org / Portugal's ancient giant bears shrank over thousands of years and humans may be to blame

About 22,000 years ago, a giant brown bear lumbered across what is now Portugal. The creature weighed around 385 kg (about 850 pounds), making it one of the largest of its kind ever found, towering over the Iberian brown ...

Jul 23, 2026
Phys.org / Modern forensics uncovers new clues about Inca sacrifice victims' last days

Human sacrifice was deeply ingrained in Inca civilization. Children and young people were selected for sacrifice to appease the gods and sacred mountain spirits. Being chosen was considered a great honor for both the victims ...

Jul 23, 2026
Medical Xpress / AI analyzes surgical technique to improve prostate cancer care

The movements of a surgeon in a procedure—called "surgical gestures"—can be used to predict patient recovery, according to Cedars-Sinai investigators. Their findings, published in npj Digital Medicine, suggest this technology ...

Jul 26, 2026
Medical Xpress / A tax on sugary drinks in Egypt could reduce disease and save US$1.8 billion in health care costs: Modeling study

Noncommunicable diseases—heart disease, stroke, diabetes, cancer—are no longer just a rich-country problem. Across Africa, they are becoming the leading cause of death, driven in part by a simple and overlooked culprit: what ...

Jul 26, 2026
Phys.org / Oxygen collisions at the LHC show new indications of extreme state of matter

All four main LHC experiments have found new signs that oxygen and neon collisions may create the extreme state of matter that existed during the first microseconds after the Big Bang.

Jul 24, 2026
Phys.org / JWST captures rare glimpse of early black hole growing inside network of young galaxies

Astronomers using the James Webb Space Telescope have captured one of the clearest views yet of how an early supermassive black hole may grow within a network of young galaxies. The compact active galaxy, seen just a billion ...

Jul 23, 2026
Phys.org / Molecular clock transitions tune out the noise in the hunt for new physics

Heavy polar molecules are some of the most sensitive tools physicists have for probing what lies beyond the Standard Model, the theory that describes the particles and forces we know about. But turning that sensitivity into ...

Jul 23, 2026
Medical Xpress / Injectable biomaterial harnesses the immune system to promote brain repair after stroke

Biomedical engineers at Duke University have developed an injectable biomaterial that helps transform the cavity left behind after a stroke caused by a blood clot into an environment more supportive of repair. By recruiting ...

Jul 24, 2026
Medical Xpress / Early respiratory infections may explain half of younger siblings' earnings gap

Younger siblings are often portrayed as reckless, scatterbrained and less put-together than their older siblings. Social science researchers have underpinned these portrayals with data, showing that younger siblings obtain, ...

Jul 26, 2026
Phys.org / New multiplexing scheme accelerates long-distance quantum communication

Quantum networks, systems consisting of multiple connected nodes or devices that can transmit quantum information to one another, have the potential to advance future communications. These networks typically leverage entanglement, ...

Jul 22, 2026