All Stories
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Teen finalists selected in 2014 Intel STS competition
Forty high-school seniors learn they have been named finalists in the March Intel Science Talent Search competition.
By Sid Perkins -
SpaceDusty remains from a dead star
A supernova first spotted in 1987 produced a huge cloud of space dust. Astronomers are now finding clues in it to how stars formed in the early universe.
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Sizing up the Kuiper belt
With the help of students and amateur astronomers, scientists are learning more about the unusual objects at the edge of our solar system.
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AnimalsWild medicine
Few veterinarians are available to treat sick animals in their natural environment. Fortunately, some critters can doctor themselves.
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AnimalsThe bad-breath defense
The nicotine in tobacco that poisons some creatures can also act as a chemical defense — at least for some caterpillars. The bad breath it gives these insects repels natural predators, such as spiders.
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Make 2014 a year of science
Every month boasts a day or week celebrating some aspect of science, technology, engineering and mathematics, or STEM. From World Wetlands Day to National Moth Week, these events can help you engage in science year round.
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ComputingWheelies: Computers help electric cars turn
Electric-car designers think they’ve found a way to replace the differential. Computer-controlled wheels and a bevy of electronic sensors now help take the place of old-school gears.
By Sid Perkins -
BrainErasing memories
Electroconvulsive therapy is used to treat severe depression, but the electrical jolt it sends into the brain also may erase bad memories.
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AgricultureHow to limit the need for pesticides
The American Academy of Pediatrics suggests taking steps to limit children’s exposure to pesticides.
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AnimalsWhy are bees vanishing?
Scientists find evidence that pesticides, disease and other threats are devastating bees. And that could hurt farmers big time.
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ChemistrySalt bends the rules of chemistry
When squished between two diamonds and zapped by a laser, salt’s atoms can link up in unexpected ways.
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Health & MedicineDoggy dust could be a good thing
The outdoor dust that dogs drag in contains a mix of microbes that helped mice fend off allergic reactions and viral infections.