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Lying Signals, Hibernation Blood Clots, Moon Creation

Curiosity Weekly

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Hibernating Bears and Blood Clots

Scientists have wondered for years how bears are able to crawl into their dens and lie around for months on end without suffering from clots. They found that during hibernation, the bear's blood had very low levels of a protein called HSP-47. The protein is usually found in cells that make up bones and cartilage but it also helps blood platelets stick together.

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