Co-oppulation: Sometimes It Takes More Than 2 to Tango [Slide Show]

Dawn Higginson thought it was strange when she learned that some diving beetles produce sperm that fuse together at the head like Siamese twins. But when the postdoctoral researcher from the University of Arizona began asking why such conjugate gametes form, things only got even stranger. The sperm of the diving beetle, which gets its name from its ability to swim underwater, occur in many shapes and forms

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Co-oppulation: Sometimes It Takes More Than 2 to Tango [Slide Show]