Sex is Weird 2: Why do penises exist?

Sex is Weird 2: Why do penises exist?

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Sex is Weird 5: Why does it feel good, anyway?

What is the role of pleasure in successful reproduction?Evolution says it's mightily important: every female vertebrate has a clitoris.Snakes have two!Female pleasure has been selected for.Making sex fun and pleasurable is a biologically sensible thing to do, more sex means more ...  Show more

Sex is Weird 4: How to be hot according to nature

Do animals fall in love at first sight?Every species has different traits that are 'attractive' — they're showing off their DIY skills making a bower, vibrating sexy fruit fly songs, puffing up a wattle, or just having really massive moose… antlers.Is this innate attraction like ...  Show more

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