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Dinosaur Sex

Smithsonian Magazine has posted a fascinating article answering everything you wanted to know about dinosaur sex but were afraid to ask. Figuring out how Stegosaurus even could have mated is a prickly subject. Females were just as well-armored as males, and it is unlikely that males mounted the females from the

The world’s oldest penis

Scientists in Australia have found a 400-million-year penis-like structure in an ancient fish specimen. Long, of Museum Victoria, says "when we announced we'd found some structures in the pelvic fin that suggested copulation, we hadn't found the business end of how they were doing it." Now the team have identified a long