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They actually
experience REM sleep because we can measure
their eye movements
experience REM sleep because we can measure
their eye movements
Full Transcript
00:00:01.000 --> 00:00:03.292
They actually
experience REM sleep
00:00:03.292 --> 00:00:06.084
because we can measure
their eye movements.
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Movie Summary
Discover history's most mysterious and bizarre inventions, people and things. From a 440-pound Syrian bear turned soldier to a man who survived a 43-inch iron bar shot through the head.