What if we stopped seeing females (of every species) as passive and instead welcomed the extraordinary diversity of sexuality? Through tales of same-sex bird couples, sexually transformative fish and unexpectedly promiscuous chimps, zoologist Lucy Cooke invites us to embrace the "genderless continuum" of females in nature, ditching archaic sexual stereotypes and offering a path to better understanding our natural world -- and each other. (This conversation, hosted by TED science curator David Biello, was part of an exclusive TED Membership event. Visit ted.com/membership to become a TED Member.)