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How space changes astronauts' brains
Spending months in orbit doesn't just weaken astronauts' bones and muscles—it nudges their brains upward inside their skulls, ...
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Every Country Has a National Animals — But These are the 20 Weirdest National Animals (You'll Never Guess #1 )
Most countries pick something sensible for their national animal — the U.S. has the bald eagle Canada has the beaver and ...
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