News
- Health & Medicine
A popular sunscreen ingredient can finally be sold in the United States
The FDA will allow bemotrizinol in sunscreen. The chemical is long-lasting and defends against solar radiation that ages skin.
- Chemistry
A new method could spot fentanyl variants no one has cataloged yet
Researchers used machine learning to help predict chemical signatures for over 1 billion possible fentanyls, including variants never seen before.
- Physics
Here’s what would happen if you tried to break a photon in half
A mathematical model shows that attempting to sever a fundamental particle of light could conjure new ones out of thin air.
- Animals
Songs prep the brains of finches yet to hatch for a hot world
Adult finches make "heat calls" as the temperature rises. Exposure to the song prepares their unhatched young's brains for the heat.
- Health & Medicine
Measles has no treatments. Changing that may not be easy
Vaccination remains the priority, but some researchers are looking for drugs to fight the virus in people who don't get the shot.
- Physics
Clocks made from an atomic nucleus just ticked on for the first time
First dreamed up decades ago, the world's first nuclear clocks are set to improve quickly, becoming more precise and aiding the hunt for dark matter.
- Psychology
Neuroscientists left the lab to study memory loss. The results were surprising
Using smartphone-based tools, researchers find that older adults’ recollections of past events may remain more intact than previously thought.
- Health & Medicine
A new guideline links care for heart, kidney and metabolic diseases
A guideline treats heart disease, kidney disease, diabetes and obesity as connected conditions under one umbrella: CKM syndrome.
- Health & Medicine
Sleep and exercise may dampen genetic drivers of heart disease
Over time, immune cells acquire mutations that promote atherosclerosis. Lifestyle changes may offset these DNA glitches, new mouse data suggest.
- Health & Medicine
Engineered hookworms could one day dispense drugs from inside your gut
In a first, researchers genetically modified hookworms. It’s a step toward turning the parasites into living pharmacies.
- Paleontology
Frozen squirrel poop hints at sights and smells of Ice Age ecosystems
DNA preserved in ancient scat reveals what Yukon ground squirrels ate and what animals shared their world.
- Animals
These birds clack their wing bones together to woo mates at night
During courtship, male scissor-tailed nightjars crack their wings together to make a sharp snapping sound. It's the result of colliding arm bones.
