All Stories
- Health & Medicine
Catching sports cheaters with a doping detector
Doping athletes often don’t get caught until after the competition is over. These two teens decided to come up with a faster test.
- Brain
Belly bacteria can shape mood and behavior
Our guts and our brains are in constant communication with the goal of managing a whole lot more than food digestion. Their conversations can affect stress, behaviors — even memory.
- Health & Medicine
Explainer: What is the vagus?
The vagus nerve runs from the brain all through the body. It controls many basic functions, including how fast the heart beats.
- Ecosystems
A robotic fish could help mangroves grow
Reforested mangroves don’t always grow well. To figure out why, two teens built a robotic mudskipper to measure the mud.
- Computing
Incognito browsing is not as private as most people think
You may think you’re going deep undercover when you set your web browser to incognito. But you’d likely be mistaken, a new study finds.
- Brain
Not all social media sites are equally likely to provoke anxiety
Most teens are on social media. Could these sites cause anxiety? A teen checks it out — and finds big differences.
- Psychology
Your window to learn new languages may still be open
Results from an online grammar quiz suggest that people who start learning a second language at age 10 or 12 can still learn it well.
- Chemistry
Bioplastics could put some shrimp in your Barbie
Teen researchers are looking to natural materials like shrimp shells and banana peels to make plastics ecofriendly and biodegradable.
- Science & Society
Science may help keep a ballerina on her toes
Ballerinas can go through a pair of shoes every performance. To make her shoes last a little longer, one teen reinforced them with carbon fibers.
- Health & Medicine
Bad food? New sensors will show with a glow
Sensors that glow around dangerous germs could be built into packaging to warn people of tainted foods.
- Tech
Scientists Say: Engineering
Want to build a bridge, clean dirty water, make a new drug or build a machine? You’re going to need an engineer — someone who uses science and math to solve practical problems.
- Health & Medicine
Sore knees may get 3-D printed relief
Teen researchers are looking into ways to use 3-D printers to make materials to replace, support or treat tissues of the body.
