News
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EarthWeird ‘superionic’ matter could make up Earth’s inner core
Computer simulations suggest that matter that behaves like a mash-up of solid and liquid could explain oddities of Earth’s center.
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PaleontologyFossils reveal that pterosaurs puked pellets
Fish scale–filled pellets found by two pterosaurs are the first fossil evidence the flying reptiles regurgitated undigestible food, like some modern birds.
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AnimalsDeep-sea Arctic sponges feed on fossilized organisms to survive
Slow-moving sponges, living deep in the Arctic Ocean where no currents deliver food, scavenge a carpet of long-dead critters.
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Quantum PhysicsThe quantum ‘boomerang’ effect has been seen for the first time
Jostled particles return to their starting points in certain materials, an experiment reveals, confirming theoretical predictions.