The Plan to Save the Rhino With a Cervix-Navigating Robot
The duck is famous for two things: really liking bread (even though theyโre 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. Itโs a disturbing consequence of an evolutionary arms race, the femalesโ countermeasure to notoriously aggressive males.