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Phys.org / Why the Arctic's rivers are rusting now and where toxic orange water could spread next
Scientists have identified the two biggest reasons that once-pristine rivers across the Arctic are growing cloudy with toxic orange iron particles that smother insects and suffocate fish.
Phys.org / Ancient altercations between musk turtles and alligator gar recorded in Florida's fossil record
Sometime between 5.5 and 5.6 million years ago, two shell crushers squared off in the languid currents of an ancient Florida river. The fossils they left behind, discovered by paleontologists at the Florida Museum of Natural ...
Phys.org / Environmental engineers reshape understanding of airborne pollution particles
From sizzling bacon in the kitchen to wildfire smoke in the sky, cooking and pollution release microscopic particles that affect humans' health, the air they breathe, and even weather and climate. New research from Virginia ...
Tech Xplore / Ultra-thin semiconductors overcome performance limits with localized thick-contact design
As semiconductor chips become increasingly thinner, the components inside chips are locked in a fierce race to achieve the ultimate ultra-thin state. However, this has presented a structural limitation: the thinner the device, ...
Phys.org / PFAS in ski wax: Despite bans, these forever chemicals linger in wax rooms—so does their health risk
For more than 30 years, manufacturers of ski and snowboard waxes have used PFAS—per- and polyfluoroalkyl substances—to make skis and snowboards glide faster over snow. These synthetic chemicals were highly effective and common ...
Medical Xpress / The hum that only a few can perceive: Potential sources of a low-frequency sound
Some people occasionally hear a low buzzing or humming sound that doesn't have a clear source. An estimated 2–4% of the world's population hear this. Scientists have been trying to figure out for decades where this sound ...
Phys.org / Twilight hunt reveals falcon feasting on unusual prey at Greek lagoon
Falcons are lauded for their speed and agility. The Eurasian Hobby (Falco subbuteo), skilled at snagging birds and insects out of the air, is no exception. However, during twilight on one day in October, researcher Apostolos ...
Phys.org / Why 'psychopath' is a dangerous label when it comes to criminal justice
A defendant stands in the dock. An expert describes them as a "psychopath." In an instant, one word threatens to eclipse their history, circumstances and the crime itself.
Medical Xpress / Why brain scans and AI could fail people trying to prove chronic pain
In 2006, Carl Koch sued his employer for damages after burn injuries during a workplace accident that left him with chronic pain. The employer accused him of malingering, so the judge admitted a neuroscientist as an expert ...
Phys.org / Nine decades of changing insect diversity in Switzerland expose a striking divide
Thanks to a historical data archive, Swiss researchers are able to draw conclusions about the changes in the diversity of two insect groups over the past 90 years. The study, led by Agroscope, identified a significant decline ...
Phys.org / Indonesia's air quality got worse after China banned plastic waste imports, research shows
When China banned plastic waste imports in 2018, countries like the United States, the Netherlands, Australia, and Japan didn't stop exporting plastic waste—they diverted their shipments to countries in Southeast Asia.
Medical Xpress / How temperature swings may shape emotional well-being across seasons
A new study suggests that the weather may have an effect on how people feel. Published in the Journal of Affective Disorders, the research found that daily outdoor temperatures are linked to changes in mood, energy levels ...
