Amazon mollies don't need a man, and never will. A new study finds they can purge and repair genetic mutations that would otherwise plague a self-cloning species. When an Amazon molly says she doesn't need a man, believe her. Every single one of these small fish, found in freshwater streams in Mexico and Southern Texas, is female, and reproduces exclusively asexually—birthing clones of itself. As enviable as t... [4798 chars]