December 29, 2013 03:52 pm PST
Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/b5tuaDboFs4/story01.htm
SpermJourney
An educational video for you, from Japan. [Video Link. Thanks, Heather!]Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/b5tuaDboFs4/story01.htm
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