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Tech Xplore / Tiny, knotted robots jump, fly and plant seeds

When a knot lets go, it doesn't just fall apart. It snaps. That simple observation led Penn Engineers to rethink what a knot can do. Instead of treating it as something that holds tension, they asked a different question: ...

Apr 23, 2026
Medical Xpress / Student mental health trial finds conversational AI better than group therapy for anxiety

Over a billion people in the world are living with some form of mental crisis, and the numbers aren't seeing a downward trend. It is all hands on deck to find potential ways to address the rising public health concern. A ...

Apr 20, 2026
Phys.org / Did NASA's Curiosity rover find signs of ancient life on Mars? An astrobiologist explains how we determine 'life'

NASA's Curiosity rover has identified seven new organic compounds on the planet Mars, according to new research published in Nature Communications.

Apr 23, 2026
Medical Xpress / AI squeezes individual breast cells to learn how to spot cancer risk

Researchers at City of Hope, a cancer research and treatment organization, and the University of California, Berkeley, have created a novel microfluidic platform that can assess women's breast cancer risk at the cellular ...

Apr 23, 2026
Phys.org / Honeybees pass their math test, upending an animal intelligence debate

We've run the numbers and the verdict is in: Honeybees do have the ability to process numerical information. New research led by Monash University has now addressed recent international debate over whether bees are truly ...

Apr 23, 2026
Phys.org / Brazil unearths a bizarre beaked reptile with a trans-Atlantic prehistoric link

Paleontologists from the Federal University of Santa Maria (UFSM) have published a new study in the scientific journal Royal Society Open Science, in which they describe a new species based on a fossil skull approximately ...

Apr 23, 2026
Medical Xpress / Mobile app-based coaching can support healthy weight gain in pregnancy, new study finds

Obesity during pregnancy has been steadily increasing worldwide. In the United States, over 60% of pregnant individuals enter pregnancy overweight or obese, and more than half go on to exceed recommended gestational weight ...

Apr 22, 2026
Tech Xplore / Why solid-state batteries short-circuit: New evidence points to stress-driven lithium cracking

Smartphones, electric vehicles and many portable devices rely on batteries. Their energy storage capacity, lifetime and safety will strongly shape the future of electrification. Among the most promising next-generation technologies ...

Apr 23, 2026
Phys.org / A huge tectonic boundary shook the ground where dinosaurs once stood

Scientists have discovered a Jurassic tectonic plate boundary that could help to predict what the planet might look like millions of years into the future. Dr. Jordan Phethean, Senior Lecturer in Earth Sciences at the University ...

Apr 23, 2026
Medical Xpress / Dopamine deficiency found to drive memory impairment in Alzheimer's disease

Why do memories fade in Alzheimer's disease—and can they be restored? University of California, Irvine researchers have uncovered a key mechanism underlying memory loss, showing for the first time that dopamine dysfunction ...

Apr 23, 2026
Medical Xpress / Video: Smiling, yawning and gesturing: Why we unconsciously imitate one another

By copying each other's non-verbal behavior, we gain access to what others think and feel. In psychology, this is known as mimicry. As part of her Ph.D. research, cognitive psychologist Fabiola Diana investigated this phenomenon ...

Apr 25, 2026
Phys.org / They promised climate action for years, but what these meat and dairy giants were really selling was something else

The meat and dairy industry accounts for 57% of total global food production emissions and at least 16.5% of all global greenhouse gas emissions. But the vast majority of environmental claims from the animal agricultural ...

Apr 22, 2026