Fruit Fly Wings Open Window on Evolutionary Question (image) Norwegian University of Science and Technology Share Print E-Mail Caption Researchers from Norway and Florida were able to change the fundamental relationship between size and roundness in fruit flies in 26 generations -- but natural selection took much less time to return the wing relationship to "normal." Credit David Hole, Florida State University Usage Restrictions With credit and in association with news about this article. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.