All Stories
- Physics
Scrubbing bubbles: Secret to ouch-free dental cleanings?
People with sensitive teeth can find routine dental cleanings painful. But bubbles might pave way to no-touch — and pain-free — cleaning for these people.
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How you handle your smartphone could become a secure ID
The way you move is specific to you, and only you. A teen shows the way someone picks up a phone could be used as a ‘secure’ ID.
- Health & Medicine
From zits to warts: Which disturb people most?
In a recent study, people rated acne as one of the most upsetting skin conditions. Many believed myths and misconceptions about zits.
- Animals
Cool Jobs: Pet science
Pets make great subjects for research. These scientists work to make our animals — and us — healthier and happier.
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A teen uses math to pick out a voice in the crowd
One teen set out to improve the hearing aid his grandfather hated. His new mathematical model amplifies only what people most want to hear.
- Health & Medicine
Scientists link Zika to nerve disease
The Zika virus is spreading in the Americas. There has also been an uptick in cases of Guillain-Barré syndrome. Scientists think the two are linked.
- Humans
Slicing meat may have aided human evolution
An experiment with modern-day humans shows how slicing meat could have saved human ancestors energy — and let their bodies and brains get bigger.
- Chemistry
Explainer: Some supplements may not have what it takes
Dietary supplements made from plants may not contain all of the chemicals that usually make a particular plant healthy for humans.
- Health & Medicine
Food supplements can make you sick
Drugs must past safety testing before they can be sold. But food supplements don’t have to meet the same standards.
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This teen designed a filter to save a stream
Shocked to find out how much phosphorus was in local streams, a teen invented a filter to remove it.
- Environment
Not so sweet: Fake sugar found at sea
Sucralose — sold in stores as Splenda — has begun turning up in seawater. This raises concern about the fake sweetener’s impacts on the environment.
- Life
Scientists Say: Yeast
For some people, yeast bring to mind slimy infections. But these little fungal beasts are used to make bread rise, too.
