Animals
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Animals
Emperor penguin population could decline by 2100
Emperor penguins’ reign over Antarctic sea ice could be in decline by the beginning of the 22nd century.
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Animals
Why great white shark sightings are good news
Conservation measures implemented in the 1990s halted a decline in great white sharks in the Atlantic.
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Animals
To ID birds, try facial recognition
Improve your backyard birding using facial recognition software.
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Animals
Ant lions hunt despite sealed lips
Ant lions are ferocious predators, but some of them don’t have a mouth. At least not in the usual sense.
By Susan Milius -
Animals
Mysterious neurotoxin may help flatworms kill prey
Tetrodotoxin, the deadly chemical in pufferfish, could help flatworms transform their earthworm prey into puddles of goo.
By Beth Mole -
Physics
Tiny silica spheres put the disco in disco clams
The electric effect in disco clams is actually the result of light scattering off tiny silica spheres.
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Animals
Lionfish dance can recruit partner for hunting
Slow but superb predators recruit pals for cooperative hunting, often striking in what looks like well-mannered turn taking.
By Susan Milius -
Animals
Tiny frogs host an illusion on their backs
How dyeing dart frogs move changes how predators see the amphibians, a new study finds.
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Animals
Fish-eating spiders are the stuff of nightmares
Spiders that feast on fish can be found on every continent but Antarctica, a new review finds.
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Animals
Passenger pigeon population had booms and busts
DNA says the birds recovered from hard times — until people came along.
By Susan Milius