This Spider's Mate Breaks Her Genitals So She Can’t Have Sex Ever Again

Male animals can be greedy about paternity. They’ve evolved a ton of different strategies to help them monopolize a female’s eggs. Beating up rivals is a general favorite. Some species use long bouts of sex to keep females away from new mates. Still others stop up female genitals with gooey plugs or bits of broken… »11/10/15 1:40pm11/10/15 1:40pm