After reading the mouseover text of today’s dinosaur comic:
I couldn’t help looking up the Pseudobiceros hancockanus flatworm, and here is a PBS video of two of them engaged in penis fencing. (direct link)
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3 comments
Comments feed for this article
May 14, 2009 at 3:35 pm
roland
It’s like party at luca’s house.
May 18, 2009 at 4:44 pm
harrison
Luca, did you too look it up just because you couldn’t believe the name wasn’t made up?
May 26, 2009 at 1:45 pm
Successful Researcher: How to Become One
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