All Stories
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Materials ScienceWant a tougher space suit? Just add liquid
Using a special liquid, engineers are designing new treatments for spacesuits so that they can better resist puncturing from tiny meteorites and other hazards.
By Marcus Woo -
PhysicsScientists Say: Laser
A laser is a device that emits a strong, narrow beam of light. “Laser” is actually an acronym, and stands for “light amplification by stimulated emission of radiation.”
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MicrobesMagnetic heating may replace surgery to cure some infections
Scientists are testing magnetic fields as a way to kill bacteria that drugs normally cannot reach — such as those on medical implants inside the body.
By Ilima Loomis -
TechYoung challengers take a deep dive into engineering
Thirty teens worked in teams to design, build and test remotely-operated vehicles. Their mission: to grab river sediment — and perhaps a shot at winning a major national competition.
By Sid Perkins -
BrainAlzheimer’s protein can sneak into the brain from the blood
Experiments in mice show that proteins linked with Alzheimer’s disease can enter the brain from the blood, then stockpile there.
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AnimalsHumongous land crab dines on remote-island seabirds
A biologist has documented a coconut crab taking out a seabird as part of a study of the huge invertebrates living on an Indian Ocean archipelago.
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BrainTrading smartphone time for sleep? Your loss
A new study shows more and more teenagers are hanging out on devices when they should be catching ZZZs, putting their health at risk.
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EcosystemsScientists Say: Bog
Bogs are a type of wetland in which partially decayed plants sink down and form peat.
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Health & MedicineHigh-nicotine e-cigs up chance teen will become a smoker
New study links vaping high levels of nicotine to greater likelihood teens will vape — and smoke — six months later.
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TechAI can guide us — or just entertain
Advances in artificial intelligence are changing the worlds of medicine, education and the arts.
By Dinsa Sachan -
AnimalsAlligators aren’t just freshwater animals
It’s time to change the textbooks. Alligators have been seen in salty waters snacking on sharks.
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GeneticsDoctors repair skin of boy dying from ‘butterfly’ disease
Researchers fixed a genetic defect, then replaced about 80 percent of a child’s skin. This essentially cured the boy’s life-threatening disease.