uterus

Just in case you’d like to know: Alpaca sex is weird, biologically speaking. In a recent paper, scientists have presented evidence that male alpacas impregnate their partners by thrusting their penises all the way up inside the female’s uterus—a tactic not documented with any other mammal species to date.

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On October 25, 1979, students at a Miami military academy experienced a frightening outbreak of sudden mass hysteria that began in a science class and spread throughout the school.