Engineering Design
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Chemistry
Gasp! At the movies, your breaths reveal your emotions
Researchers took air samples as they screened movies. What people exhaled were linked to film scenes’ emotional tone, they found.
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Health & Medicine
Zika vaccines look promising
As a Zika epidemic surges through Brazil and northward, scientists are looking for drugs to keep more people from becoming infected. Several vaccines show promise in early tests — but none has yet been tried in people.
By Meghan Rosen -
Teen makes sure bacteria stay hands-off
Germs are everywhere. One teen has designed a way to keep them from sticking to a surgeon’s gloves.
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Tech
Clear, stretchy sensor could lead to wearable electronics
Researchers have combined plastics and metal to make a transparent, stretchable sensor. It could soon find use in touchscreens, wearable electronics and more.
By Sid Perkins -
Earth
Earth’s tectonic plates won’t slide forever
Earth’s surface morphs, owing to the movement of its tectonic plates. But those plates didn’t use to move so quickly. And in a few billion years they’ll grind to a halt, new research suggests.
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Climate
Volcanic rocks can quickly turn pollution into stone
A test program in Iceland injected carbon dioxide into lava rocks. More than 95 percent of the gas turned to stone within two years.
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Ink leads way to terminating termites
Inspired by a classroom experiment, a teen has built a way to lure troublesome termites to their death — using the power of ink.
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Animals
Catching ‘Dory’ fish can poison entire coral reef ecosystems
More than half of saltwater-aquarium fish sold in the United States may have been caught in the wild using cyanide, new data show.
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Health & Medicine
Adult diseases may be linked to childhood weight
Danish scientists find that very overweight kids grow up with a heightened risk of colon cancer and stroke.
By Dinsa Sachan -
Physics
Cool Jobs: Solar sleuthing
No star is closer than the sun, and yet there’s much science still don’t know about how it actually works. These scientists are helping solve the mysteries.
By Ilima Loomis -
Environment
Fighting big farm pollution with a tiny plant
Fertilizer runoff can fuel the growth of toxic algae nearby lakes. A teen decided to harness a tiny plant to sop up that fertilizer.
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Tech
Concrete science
Teen researchers are exploring ways to strengthen this building material, use it for safety purposes and use its discarded rubble.
By Sid Perkins