Animals
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FossilsHot-blooded dinos? Try lukewarm
New study finds these reptiles may have had an internal furnace that sort of resembled some sharks. It appeared to run neither hot nor cold.
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AnimalsSalted butterflies
The salt used on winter ice can alter the bodies of summer's butterflies. Males develop larger muscles and females get bigger brains.
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AnimalsStalking squirrels for science
A scientist noticed the squirrels in his family’s town, and began studying them. His results show why squirrels are such good city dwellers, and prove that science is right outside your door.
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AnimalsA library with no books
The Macaulay Library at Cornell University has no books. Instead, the audio library has been accumulating sound recordings since 1929.
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AnimalsA library of tweets (and howls and grunts)
The Macaulay Library houses a world of animal sounds. And now anyone with an Internet connection can check out this audio collection.
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AnimalsFree app tracks fireflies
Scientists are worried about firefly populations. Now you can use a free app to map firefly flashes, and contribute data to tracking the health of this popular summertime bug.
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AnimalsDecoding bee dances
Biologists have started eavesdropping on bees — or their dancing sign language — to identify where these buzzers prefer to forage. This info is pointing to which bee-friendly habitats may be most important to preserve.
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AnimalsTeen studies water strider disappearing act
As a child, Xidian Zhang loved to play with water striders. Now they’re gone, and pollution may be the reason. This teen’s findings earned him a spot at the 2014 Intel International Science and Engineering Fair.
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AnimalsA science fair project makes bug killing sweet
Simon Kaschock-Marenda wanted to see how flies responded to different sweeteners. Along the way, he discovered an insecticide that would pose little risk to people. And the 14-year-old is now a published author on a scientific paper.
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AnimalsTrees: Koala air conditioning
When koalas sprawl over a tree branch, they may not be lazy. They just might be taking advantage of some natural cooling — enough to survive a heat wave.
By Susan Milius -
AnimalsMosquitoes, be gone!
An extract of local seeds in Puerto Rico may be the key to keeping mosquitoes away. It kills the larval insects and repels the biting adults.
By Sid Perkins -
AnimalsKilling mosquitoes with cashews
When dengue fever came to his hometown, Gabriel Galdino looked for ways to stop its carrier, the mosquito. His findings got him a spot at the 2014 Intel International Science and Engineering Fair.