All News

Phys.org / Iconic 'Little Foot' fossil may be new type of human ancestor

An international study led by researchers from Australia's La Trobe University and the University of Cambridge has challenged the classification of one of the world's most complete human ancestral fossils, raising the possibility ...

Dec 15, 2025 in Biology
Tech Xplore / New 3D benchmark leaves AI in knots

Today's artificial intelligence models can't even tie their own shoes.

Dec 16, 2025 in Computer Sciences
Phys.org / Accelerating next-generation drug discovery with click-based construction of PROTACs

In 2001, chemists K. Barry Sharpless, Hartmuth C. Kolb, and M. G. Finn introduced click chemistry, a concept in which organic molecules can be rapidly and reliably joined to form more complex structures. They recognized that ...

Dec 18, 2025 in Chemistry
Phys.org / Call your pop-pop: Unlocking conversations between generations

Researchers at Washington University in St. Louis are investigating the conversations that happen between grandparents and grandchildren in the St. Louis area.

Dec 18, 2025 in Other Sciences
Phys.org / NASA's Roman telescope will observe thousands of newfound cosmic voids

Our universe is filled with galaxies, in all directions as far as our instruments can see. Some researchers estimate that there are as many as 2 trillion galaxies in the observable universe. At first glance, these galaxies ...

Dec 15, 2025 in Astronomy & Space
Tech Xplore / Why it's so hard to tell if a piece of text was written by AI, even for AI

People and institutions are grappling with the consequences of AI-written text. Teachers want to know whether students' work reflects their own understanding; consumers want to know whether an advertisement was written by ...

Dec 18, 2025 in Machine learning & AI
Phys.org / Signature of climate change: Nearly half of harmful wildfire smoke exposure linked to human-caused warming

Across the western U.S., wildfires and the dangerous smoke that results have increased in frequency and intensity since the 1990s—that much is clear. Surprisingly less clear are the exact reasons why: While greenhouse gas-related ...

Dec 16, 2025 in Earth
Phys.org / What makes a first offer successful in negotiations

For decades, researchers and practitioners have debated whether it is better to make the first offer in a negotiation or to wait. A new meta-study now provides a comprehensive and clear answer. The researchers analyzed 90 ...

Dec 18, 2025 in Other Sciences
Dialog / Cracking the mystery of heat flow in few-atoms thin materials

For much of my career, I have been fascinated by the ways in which materials behave when we reduce their dimensions to the nanoscale. Over and over, I've learned that when we shrink a material down to just a few nanometers ...

Dec 14, 2025 in Nanotechnology
Medical Xpress / Cannabinoid hyperemesis syndrome found to have increased from 2012 to 2021

From 2012 to 2021, there was an increase in the prevalence of cannabinoid hyperemesis syndrome (CHS) in Massachusetts, with the highest 10-year prevalence among young adults, Hispanic individuals, Black individuals, and men, ...

Medical Xpress / Special breathing tubes don't improve emergency intubation outcomes, trial finds

Modified endotracheal tubes designed to reduce patient pneumonia risk failed to improve outcomes compared to standard breathing tubes, researchers report in a new study.

Dec 18, 2025 in Surgery
Phys.org / Yuletide kissers, smooch without guilt: Research suggests your mistletoe didn't harm its tree host

If mistletoe's status as a nutrient-stealing freeloader has been cooling your holiday ardor, new research led by an Oregon State University scientist may help relight the fire.

Dec 13, 2025 in Biology