By Nadja Popovich Your parents may have taught you about the birds and the bees, but they probably never explained exactly how human sperm get their move on. (iStockphoto.com) (iStockphoto.com)
--> The particulars of the environment sperm find themselves
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Read the complete post at http://www.npr.org/blogs/health/2010/02/sperm_post.html?ft=1&f=103537970
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Feb 05 2010, 10:35 AM
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NPR Blogs: Shots - Health News