Uncategorized
- Climate
Mapping our carbon footprints
Population density can determine how much of an impact modern communities have on the climate.
- Health & Medicine
Bones: They’re alive!
This hard tissue is more than just a quiet scaffold for your organs and protective helmet for your head. It’s active and ‘chatty,’ influencing other tissues.
- Earth
Towering mounds: Can gophers be to blame?
Scientists may have unearthed the source of Mima mounds, mysterious bumpy landscapes found on every continent except Antarctica.
- Health & Medicine
Baseball: Keeping your head in the game
Head movements play an important role in successfully tracking lightning-fast incoming pitches.
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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.
- Space
Dusty 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.
- Animals
Wild medicine
Few veterinarians are available to treat sick animals in their natural environment. Fortunately, some critters can doctor themselves.
- Animals
The 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.
- Computing
Wheelies: 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.
- Brain
Erasing memories
Electroconvulsive therapy is used to treat severe depression, but the electrical jolt it sends into the brain also may erase bad memories.
- Agriculture
How to limit the need for pesticides
The American Academy of Pediatrics suggests taking steps to limit children’s exposure to pesticides.
- Animals
Why are bees vanishing?
Scientists find evidence that pesticides, disease and other threats are devastating bees. And that could hurt farmers big time.
