Everything you know about daisies is wrong

When you pick a daisy, you are actually picking hundreds of flowers at the same time. That's because daisies have evolved a special trick, which is to hide a whole field of flowers in the head of what seems to be a single bloom. In this video, University of Cambridge plant biologist Beverley Glover shows you a… » 2/02/12 4:47pm 2/02/12 4:47pm