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AnimalsA grisly trick helps snow flies survive freezing: self-amputation
When a snow fly’s leg begins to freeze, a quick amputation can prevent ice from spreading, keeping the cold-hardy insect alive.
By Meghan Rosen -
PhysicsJulian Muñoz has a ‘ruler’ that could size up the early universe
The measurement tool could lay out a distance scale for cosmic dawn —and offer clues to the nature of dark matter.
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AnimalsBottlenose dolphin moms use baby talk with their calves
When their babies are near, bottlenose dolphin moms modify their signature whistles, similar to human parents speaking in baby talk.
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