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Phys.org / Rapid melatonin test can help astronauts and others easily monitor their biological rhythm

A simple test developed at Washington State University could eventually allow astronauts and others in round-the-clock occupations to monitor their biological rhythms in just minutes using a drop of blood, a paper test strip, ...

Apr 15, 2026
Tech Xplore / AI-guided snakebot unlocks rolling move that doubles speed per unit power

Snake-like robots represent the future of rescue. Their slender bodies allow them to navigate narrow spaces, uneven terrain, and water surfaces, entering places that would be hazardous for humans. This could potentially save ...

Apr 15, 2026
Tech Xplore / Tiny battery-free tags turn radio waves into a new way to track breathing at home and in hospitals

The same wireless technology that can track your cat or locate an item in a warehouse can also monitor your breathing. Researchers at Chalmers University of Technology, Sahlgrenska University Hospital and the University of ...

Apr 15, 2026
Phys.org / Hawai'i's songbirds are raiding neighbors' nests, and the losses could deepen a growing survival crisis

High in the forests of Hawai'i, songbirds are stealing twigs and moss from one another's nests. UC Riverside researchers found this quiet canopy crime is surprisingly common and could threaten species already struggling to ...

Apr 15, 2026
Tech Xplore / These restless materials don't just bend under pressure—they snap, crawl, walk and dig on their own

When we think of materials, we usually think of substances like metal, concrete, glass or rubber. What these examples have in common is that they are inactive: when pushed, pulled, shifted or sheared they may move or deform, ...

Apr 15, 2026
Phys.org / Ancient graves and DNA uncover family bonds that went beyond genetics

You probably have a member of your family that you're not related to by blood—a step-parent, an adopted cousin, your mom's best friend who you grew up calling your aunt. They're indisputably part of your family, but a DNA ...

Apr 14, 2026
Phys.org / Washington DC's 240 million‑gallon sewage spill is a symptom of nationwide trouble

When 240 million gallons of raw sewage spilled into the Potomac River in Washington, D.C., starting in mid-January 2026 and running through mid-March, it was estimated to be the largest sewage spill in U.S. history. But it ...

Apr 16, 2026
Medical Xpress / Ultra-processed food intake tied to sharply higher obesity risk in adolescents

Adolescents who consume more ultra-processed foods (UPFs) have significantly higher odds of being overweight or obese, according to a new systematic review and meta-analysis published in the open-access journal PLOS One by ...

Apr 15, 2026
Phys.org / Ultrasound creates light inside the body, opening a new path to targeted treatments

Light has an increasing number of applications in biology and medicine—it can be used to stimulate cell growth, manipulate neural signals, and treat some cancers—but it doesn't easily pass through tissue. Most methods to ...

Apr 13, 2026
Phys.org / Fluorescent technique reveals hidden scale of microfiber pollution from our clothes

Pollution released from our textiles is smaller and more irregular in shape than previously thought, according to new research led by The University of Manchester. In a study published in Scientific Reports, Manchester researchers—in ...

Apr 14, 2026
Medical Xpress / New yellow fever vaccine matches safety and effectiveness of current shot

Yellow fever is a viral disease that is spread to humans through the bites of infected mosquitoes. The symptoms range from mild fever-like aches and pains to severe liver disease with bleeding, often accompanied by yellowing ...

Apr 11, 2026
Phys.org / Self-propulsion or slow diffusion: How bacteria, cells, and colloids respond to stimuli

What physical processes govern the movement of microscopic structures capable of interacting with their environment? The answer lies in two mechanisms: self-propulsion, to escape unfavorable locations; and slow diffusion, ...

Apr 15, 2026