Bet you can't read the whole thing without laughing out loud. Try not to get too excited. Bering in Mind: Why do human testicles hang like that?
Staying on topic (evolution, of course), learn about the "upsuck theory": TED: 10 things you didn't know about orgasm.
Scary to imagine it, but it is probably a dream job for somebody in this world. Can you say the same for the TED video I posted?
Great read! I wonder what hypotheses the Intelligent Design folk have on the issue? The puns at the end of the article ftw!
Personally, it makes me feel better knowing that my testicles are part of God's Great Plan. And I'll bet Tiger is wishing he had been more attuned to God's Great Plan for his testicles right about now.