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.
Health & Medicine
More Stories in Health & Medicine
- 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.
- Health & Medicine
Let’s learn about vaccines
These medical treatments have saved millions of lives and spared many others from seriously unpleasant infections.
- Materials Science
This electric ‘slime’ might help injuries heal faster
Our bodies call in healing cells with an electrical signal. When stretched or squeezed, this gel makes electricity that could boost that alert.
- Health & Medicine
Nearsighted? Teens’ benefits from special contacts can be lasting
Multifocal contact lenses stop the progression of myopia — and the benefits can last even after use of these special lenses ends.
- Chemistry
Teen finds cheaper way to make drugs against killer viruses
This drug-making achievement also nabbed the top award — and $100,000 in prize money — at the 2025 Regeneron ISEF competition.
- Space
Is the International Space Station too clean?
Testing surfaces on board the space station revealed low microbial diversity, something that’s been linked to health problems elsewhere.
- Health & Medicine
ADHD symptoms may boost teens’ risk of vaping or smoking
Having multiple ADHD symptoms increases a teen’s risk of using vapes or other tobacco. That’s bad because nicotine is especially addictive for kids.
- Health & Medicine
Explainer: What is cancer?
Cancer is a whole collection of diseases with one thing in common: all develop when the body’s cells start dividing out of control.
