Animals
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AnimalsScientists Say: Hibernation
Hibernation is more than a deep sleep. Animals that hibernate lower their body temperature and reduce their body activities for months.
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AnimalsUnder blanket of ice, lakes teem with life
Life under frozen lakes is vibrant, complex and surprisingly active, new research finds. In fact, some plants and animals can only live under the ice. But with climate change, will that continue?
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AnimalsWarm petals may attract chilly bees
Dark-purple violet petals are warmer than a light-purple variant. And and that warmth might explain their attraction to potentially chilly bees.
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AnimalsScientists Say: Torpor
When an animal enters torpor, its body temperature goes down and so does the amount of energy it uses.
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AnimalsDeep-sea mining could imperil rare, ghostlike octopus
A newly discovered octopus lays its eggs in a dangerous spot: where companies are looking to mine valuable metals for use in cell phones and computers.
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AnimalsWhat killed the dinosaurs?
New evidence is emerging that a devastating combo of events — an asteroid impact and supervolcanoes — may be behind the dinosaurs’ demise.
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AnimalsHow birds know what not to tweet
How do birds perfect their pitches? The chemical dopamine spikes when they sing right, and dips when they drop a note, new data show.
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AnimalsDinosaur tail preserved in amber — feathers and all
Scientists have found the tail of a dinosaur trapped in amber. It includes both feathers and identifiable bits of bone.
By Meghan Rosen -
AnimalsFood-like smell on plastic may lure seabirds to eat it
When plastic smells like supper, seabirds and other animals can be fooled into thinking it is food.
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AnimalsAnimals can do ‘almost math’
Humans aren’t the only animals with a number sense. Scientists are trying to figure out where and when it evolved.
By Susan Milius -
AnimalsThese young inventors had to make like a crab
This year’s top challenge for Broadcom MASTERS finalists was to design and build a robotic arm based on a crab’s arm and claw.
By Sid Perkins -
AnimalsSpeckled dino spurs debate about ancient animals’ colors
Structures found in fossil dinosaur skin may give clues to the creatures’ colors and how they lived. But not all scientists agree on how to interpret what they see.
By Meghan Rosen