sex
Too Long For Sex? For Beetles, The Right Level of Stiffness Is the Key
With penises as long as their bodies, successful mating for these beetles lies on the penile stiffness.
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Weird and Wild! Unique Mating Position of Frogs Discovered
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Couples May Soon Enjoy Condom-free Sex Without Risk of Pregnancy
Sex-Changing Snails In Close Quarters Switch Sooner, Researchers Say
American Alligators: New Study Reveals Mechanisms Behind Sex Determination
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Sea Turtles, Reproduction and Climate Change: Warmer Temperatures Impact Hatchlings
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