DNA from the 40,000-year-old bones of a modern human found in Europe contains Neanderthal genes.
October 2, 2008|
Capturing the eye of a potential mate is the first step in propagating a species. But can the way a female sees males of a certain color lead a single species of fish to split into linkurl:two?;http://www.the-scientist.com/article/display/14251/ A study published this week in Nature suggests two species of cichlid fish -- one red and one blue -- may have arisen from the female mating preference for males she is best able to see. "We've wanted since Darwin to understand how species originate,