All Stories
- Chemistry
Asteroids may have delivered water to early Earth
Scientists shot mineral pellets at a simulated planet. It showed an impact wouldn’t have boiled off all of an asteroid’s water.
- Animals
Hunting hidden salamanders with eDNA
The Japanese clouded salamander is an elusive beast. To find a new population, three teens turned to high-tech methods.
- Animals
‘Boot camp’ teaches rare animals how to go wild
Animals raised in captivity cannot safely re-enter the wilds without first understanding how to find food and avoid becoming a predator’s lunch. Scientists are helping some species learn this.
- Tech
New eyewear could help the visually impaired
Young inventors develop novel electronics to help people identify colors and navigate obstacles.
- Ecosystems
Small swimmers may play huge role in churning the seas
Hoards of migrating shrimp and krill can cause large-scale water movements in the ocean, a new study suggests.
- Computing
Fingerprints could help keep kids from dangerous websites
A teen develops a program that estimates age based on someone’s fingers
- Earth
Restaurant diners may ingest extra pollutants
People who dine out have higher levels of certain potentially harmful pollutants in their bodies than do people who eat home-cooked meals, new data show.
- Health & Medicine
Scientists Say: Ultrasound
Ultrasound is a word used to describe any sounds higher than a person can hear. It’s also a technique used to see inside the body.
- Science & Society
Heating up the search for hidden weapons
Using an off-the-shelf camera and an innovative bit of software, a high-school student developed the means to inexpensively detect a hidden weapon.
- Health & Medicine
Scientists discover how norovirus hijacks the gut
Noroviruses make people vomit, but scientists didn’t actually know why. It now turns out that those viruses cause their misery by attacking special “tuft” cells in the gut.
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Protecting deer with high-pitched noises
After her uncle crashed his truck into a deer, this teen decided to find out if there was a sound that would drive the animals away from roads.
- Genetics
Your DNA is an open book — but can’t yet be fully read
There are many companies that offer to read your DNA. But be prepared: They cannot yet fulfill all those promises you read in their ads.
