flatworms

  • Flatworm Penis Fencing

    Here’s a video documenting a mating behavior called “penis fencing” engaged in by a certain species of hermaphroditic flatworm. I probably fooled you into thinking this is something that happens at a frat party, but it’s just an example of the beauty of procreative science. Read More ›

    Peggy Wang 6 years ago 1 response


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