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TIL that a frequently-posted image claiming that a woodpecker’s brain is protected by their tongue wrapping around their brain, isn’t true. It’s simply because their brain is so small, that the decelerations involved in pecking don’t cause brain damage.

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GYK51 TIL Between 1600 - 1800, chimney sweeps in their adolescence often suffered and died from Chimney Sweep Cancer, a horribly painful and fatal cancer of the scrotum.
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