from Discover Magazine, April 2008, by Dean Christopher, pg. 80
1. Life emerged on earth about 3.8 billion years ago, but sex did not evolve until more than 2 billion years later. Dirty limericks emerged only quite recently, geologically speaking.
6. Barbary macaques (note: a type of monkey -Danya) have a distinctive way to get their mates to make a sperm donation: yelling. If the female does not shout, the male almost never climaxes.
7. How do we know this? German primatologist Dana Pfefferle watched a group of macaques, counting the females' yells and the males' pelvic thrusts. She said this work is "quite weird, but it's science."
11. The tiny male paper nautilus, an octopus, impregnates the much larger female by shooting his penis (a modified tentacle) into her - and leaving it there.
15. Biologists at the University of California at San Francisco (figures, where else??
16. As the flies get increasingly tanked, their chance for mating success keeps dropping. This is one more reason why the fruit fly is a great model for studying humans.