Butterfly Shifts From Shabby To Chic With A Tweak Of The Scales

Evolution# in action.  By selective breeding a butterfly adds beautiful color within a year. According to research published this week in the Proceedings of the National Academy of Sciences, small changes to those structures can give a butterfly a more glamorous outfit

http://www.npr.org/2014/08/07/338146490/butterfly-shifts-from-shabby-to-chic-with-a-tweak-of-the-scales