WIRED Science: Space, Health, Biotech, and More

The Plan to Save the Rhino With a Cervix-Navigating Robot

WIRED Science: Space, Health, Biotech, and More

The duck is famous for two things: really liking bread (even though theyโ€™re not supposed to be eating it), and wielding insanely complicated reproductive bits. More specifically, male ducks have corkscrew-shaped penises, while femalesโ€™ reproductive tracts corkscrew in the opposite direction. Itโ€™s a disturbing consequence of an evolutionary arms race, the femalesโ€™ countermeasure to notoriously aggressive males.

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