LONDON, ENGLAND - SEPTEMBER 04:  Employee Emma-Louise Nicholls checks the display cabinets at The Grant Museum of Zoology on September 4, 2012 in London, England. Containing 67,000 specimens, the Grant Museum of Zoology is the only one of it's kind in London. Started as a teaching collection in 1828 the collection displays only about 5% of all the specimens it holds.  (Photo by Peter Macdiarmid/Getty Images)