LONDON - SEPTEMBER 14:  Prince William and Sir David Attenborough host the opening of the The New Darwin Centre at The Natural History Museum on September 14, 2009 in London, England. Britain's Prince William joined Sir David Attenborough on Monday to open the GBP 78 million centre based around a 65 metre long, eight storey high cocoon contains a state-of-the-art research and exhibition facility named after the father of the theory of evolution. Some 200 scientists work in the new building that also houses 17 million plant and insect specimens.  (Photo by David Parker/WPA Pool/Getty Images)