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wispfox ([personal profile] wispfox) wrote2013-02-01 05:18 pm
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The Great Sperm Race!

https://www.youtube.com/watch?v=4SFOpHiS-tA

The process the sperm go through to fertilize an egg, human-sized!
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[identity profile] metahacker.livejournal.com 2013-02-01 11:42 pm (UTC)(link)
http://imdb.com/title/tt0068555/
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