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The New World screwworm has returned to the U.S. Now what?
At least a dozen animals have been found with the flesh-eating maggots. It could take more than a year to eradicate the parasite again, experts warn.
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Sea cucumbers harbor ‘zombie’ tissues that won’t die
Detached tissues from the sea cucumber's tube feet and feeding tentacles survived for more than three years, a find that could shape the study of aging.
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A tropical permafrost layer in Peru may be one of the world’s largest
Vast permafrost beneath the upper slopes of Peru’s tallest volcano could become a regional water source as glaciers in the Andes retreat.