Evolution Can Occur In Less Than 10 Years, Guppy Study Finds Date: June 15, 2009 Source: University of California - Riverside Summary: How fast can evolution take place? In just a few years ...

Meet Poecilia vivipara—a small, shiny yellow guppy found in South America. When a group of scientists visited the Fernando de Noronha archipelago a decade ago, they found the tiny freshwater ...