All Stories
- Microbes
The Bahamas’ African roots
Ocean bacteria may have built the Bahama islands, fed by dust blown across the Atlantic from the Sahara Desert.
- Physics
Measure the width of your hair with a laser pointer
You can measure the width of a human hair with the help of a laser pointer, some math and a phenomenon called diffraction.
- Genetics
High-altitude help from extinct ancestors
The Tibetan plateau is high in altitude but low in oxygen. An unusual version of one gene in Tibetans' DNA helps them survive this environment. And that gene appears to have been passed along from Denisovans, a Neandertal-like ancestor.
- Fossils
Some Arctic dinos lived in herds
Fossil footprints retrieved from Alaska indicate that plant-eating duckbill dinos not only traveled as extended families but also spent their entire lives in the Arctic.
- Physics
Comic book heroine teaches science
Most people don’t think of superheroes as science teachers. But a comic book from the American Physical Society wants to change that. Meet Spectra, the human laser.
- Brain
Choosing shocks over contemplation
Some people think being alone is unpleasant. In one new study, some found choosing to get a painful shock helped them endure being alone for 15 minutes.
- Physics
Smooshed diamonds: A window into exoplanets?
Scientists have compressed diamonds more than ever before. Their carbon may give clues to what conditions might be like deep within planets way beyond our solar system.
- Fossils
Newly dated footprints: Oldest human tracks?
These footprints, found nearly a half-century ago, may be almost four times older than first thought, scientists now report.
- Earth
Mailing off my microbeads
I was shocked to find out that my face wash contains plastics that might possibly harm marine creatures. So I’m donating it to science.
- Animals
Bugs may have made us brainy
Finding and eating bugs when other food was scarce helped primates — including our ancestors — evolve bigger and better brains. At least that’s the conclusion of a new study in Costa Rica.
- Animals
Keep the lights on for National Moth Week
Helping scientists is as easy as leaving your porch light on. Photograph the moths you see and upload them to the Internet for science.
- Health & Medicine
Young blood: The elixir of youth?
Old mice show improved memory when blood from young mice circulated through their brains, a new study finds. Other studies suggest one ingredient in that young blood might be all it takes to deliver benefits.
