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The Dawn of the Deed: The Prehistoric Origins of Sex McGraw-Hill Companies Into Action--Tips on howWe all know about the birds and the bees, but what about the ancient placoderm fishes and the dinosaurs? The history of sex is as old as life itself and as complicated and mysterious. And despite centuries of study there is always more to know. In 2008, paleontologist John A. Long and a team of researchers revealed their discovery of a placoderm fish fossil, known as "the mother fish," which at 380 million years old revealed the oldest vertebrate
