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Phys.org / Life's earliest proteins may have folded into complex shapes with far fewer amino acids

How did the earliest life on Earth build complex biological machinery with so few tools? A new study explores how the simplest building blocks of proteins—once limited to just half of today's amino acids—could still form ...

Apr 23, 2026
Phys.org / Riding the quantum wave: Quasiparticles reveal a magneto-optical transport phenomenon

Excitons are being explored in materials science and information technology as a means of storing light. These luminous quasiparticles move through individual layers of quantum materials and can absorb and emit light with ...

Apr 23, 2026
Phys.org / World's largest collection of Olympiad-level math problems now available to everyone

Every year, the countries competing in the International Mathematical Olympiad arrive with a booklet of their best, most original problems. Those booklets get shared among delegations, then quietly disappear. No one had ever ...

Apr 20, 2026
Phys.org / Mars rover detects never-before-seen organic compounds in new experiment

NASA's Curiosity Mars rover has uncovered a diverse mix of organic molecules on Mars, including chemicals widely considered building blocks for the origin of life on Earth.

Apr 21, 2026
Phys.org / AI model designs new antibiotic for staph infections after exploring 46 billion compounds

Researchers at McMaster University have developed a new generative artificial intelligence (AI) model capable of drastically speeding up drug discovery—and, in early tests, it has already designed a brand-new antibiotic. ...

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
Medical Xpress / Lipoprotein(a) linked to elevated cardiovascular risk despite standard treatment

New data analyzing more than 20,000 patients from three major NIH studies show that elevated Lipoprotein(a) [Lp(a)] is associated with residual cardiovascular risk and warrants aggressive risk reduction. Researchers presented ...

Apr 24, 2026
Phys.org / When humidity changes, so do the colors of sweat bees

Nature is a riot of color. In the animal kingdom, many species, from insects to cephalopods, use their permanent color or change it for communication, camouflage, and thermoregulation. While this type of reversible shift ...

Apr 22, 2026
Phys.org / Uganda's Python Cave reveals how a Marburg virus outbreak could begin

Marburg virus disease (MVD) is a severe and often fatal hemorrhagic disease in humans caused by the Marburg virus. It is carried by Egyptian fruit bats and can spread to people after exposure in caves or mines where they ...

Apr 21, 2026
Phys.org / Archaeological digs in Amazon provide clues about Indigenous inhabitants before colonization

Paving roads in the Amazon rainforest has long brought deforestation that threatens the people who live there. The same roadwork, however, has also allowed archaeologists to get glimpses of the region's past long before Europeans ...

Apr 23, 2026
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 / 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