Animals
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Genetics
Scorpion’s sting evolved from insects’ defensive proteins
With a single genetic mutation, an insect’s defensive proteins can be transformed into a toxin that gives scorpions their signature sting, a new study shows.
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Tech
Jellyfish-like flying machine takes off
Mimicking sea creatures instead of insects leads to better hovering, scientists find.
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Animals
Wrinkle arises in soggy hand studies
An experiment bucks earlier finding that ridges help fingers grasp.
By Beth Mole -
Animals
Truths and lies about dingoes
A dingo really did take that woman’s baby, but other myths about the animals have been debunked.
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Animals
Finally, evidence that a starfish’s eyes let it see
The sea star’s vision isn’t great, but it’s good enough to help the animal find its way home.
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Genetics
Elephant shark genome small and slow to evolve
The animals have the smallest genome of non-bony fishes and the slowest-evolving genes among vertebrates, a study suggests.
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Animals
Dog-paddle science debunks notion of underwater trot
From Newfoundlands to Yorkshire terriers, canines swim with similar, distinctive gait.
By Susan Milius -
Archaeology
Animal mummies were a message direct to the gods
A new theory about the purpose of animals mummified by ancient Egyptians proposes that the cats, ibises and other dead critters were more than just simple sacrifices.
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Animals
Flightless birds face extinction
New Zealand’s flightless birds have limped through the last few decades, but conservation efforts have had some success.
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Animals
Smoker’s breath saves caterpillars’ lives
Larvae of the tobacco hornworm caterpillar exhale nicotine, driving away predatory spiders.
By Susan Milius -
Plants
Kleptoplast
A cellular part such as a light-harvesting chloroplast that an organism takes from algae it has eaten.