Sexual Attraction Is the Oldest Story on Earth
It’s pretty hard to catch single-celled organisms in the middle of sex.“It’s sort of like if you put a male and a female together in the zoo. You can’t necessarily get them to do the thing,” John Logsdon, an early-eukaryotic-sex expert at the University of Iowa, told me. “If you were a Martian looking down on Earth and asking if humans were sexual or not, if you couldn’t look through the windows, you’d never see humans having sex. Well, rarely.



























