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POPS20 Things You Didn't Know About Sex
6 Barbary macaques 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 says this work is “quite weird, but it’s science.” 8 Here in the US of A, that kind of stuff ends up on YouTube. 9 Because Barry White sounds terrible underwater: Fish can produce a variety of noises with their bones, teeth, and gas bladders. Grant Gilmore of Estuarine Coastal and Ocean Science Inc. says that male fish probably use some of these sounds to woo females. 10 The spiny anteater, an egg-laying mammal native to Australia and New Guinea, has a penis with four heads, but only two fit into the female at once. 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.
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