Humans
- Animals
Loss inspired this biologist to study aging
Juan Manuel Vazquez studies the anti-aging genes that have allowed some animals to evolve to live remarkably long lives.
- Health & Medicine
This medicine could help teens quit vaping
The drug varenicline, paired with counseling and text messaging support, helped young people stop vaping in a new study.
- Physics
Here’s why your blood vessels don’t burst under pressure
Cells lining the blood vessels reorganize their inner structures to handle stressful boosts in pressure.
- Humans
After every soak, fingers wrinkle — and always the same way
Fingertip folds aren’t super swollen. Blood vessels constrict and pull skin inward, forming wrinkles.
- Physics
Can you Manu? It’s the science-backed way to max your splash
Forget belly flops and cannonballs. Manu jumps — pioneered by New Zealand’s Māori and Pasifika communities — make the biggest blasts.
- Brain
Mice show us why food poisoning is so hard to forget
Working with mice, scientists have mapped a brain pathway that links an unfamiliar flavor with later food poisoning symptoms.
- Genetics
DNA confirmed a Pueblo tribe’s ties to Chaco Canyon
DNA supports Picuris Pueblo stories of their ancestry going back more than 1,000 years — to the famous Chaco Canyon site.
- Archaeology
Roman gladiators really fought big cats, ancient bite marks suggest
This is the first skeletal evidence of an ancient Roman gladiator show — or execution — involving an exotic animal.
- Life
Research without lab animals? New tech is making it possible
For decades, scientists have worked to phase out the use of animals in research. AI, ‘lungs’ on a chip and more are bringing that goal closer.
- Health & Medicine
Three U.S tick species may trigger a mysterious red-meat allergy
This little-known allergy, known as alpha-gal syndrome, is potentially deadly. Here’s what we know about it — and how to avoid the tick bites that seem to cause it.
- Health & Medicine
Two cities stopped water fluoridation. Kids’ teeth suffered
As calls to end fluoride in water get louder, worsening dental health in children of Calgary, Canada, and Juneau, Alaska, offer a cautionary tale.
- Brain
Brain cells that make you feel full also make you crave dessert
If you want a sweet treat when you feel full after a big meal, blame your brain. Tests in mice and people suggest that the same cells signal satiety and a hunger for sugar.
