ScienceNeotrogla: The female of this insect species have spiny penises and can copulate for days...What??!? During mating, the females of a newly-discovered group of insects grow penis-like organs they then insert into males. What is the reason for this unusual sexual reversal?by James Maynard
ScienceFatal instinct: New marsupial species in Australia engage in intense sex that kills themby Alex Saltarin
ScienceMale black widow spiders can teach a thing or two to Miley Cyrus about twerking (and not getting eaten)by Randell Suba