This fascinating behind-the-scenes look at the Natural History Museum, tells a story of mysteries, dinosaurs, diamonds and the great discoveries being made every day. As a young man Jimmy Doherty worked as a volunteer at London's Natural History Museum. Now, along with engineer Kate Bellingham, doctor of tropical medicine Chris van Tulleken, environmental scientist Liz Bonnin and zoologist Mark Carwardine, Jimmy returns to reveal the dramatic, pioneering and often surprising scientific work of this much-loved institution. Joined by experts from the museum, they tell the fascinating stories of exhibits such as the iconic Diplodocus, the rare and fragile Archaeopteryx and the extinct dodo and travel with scientists as they hunt for dinosaur fossils, pond-dip for mosquitoes in an attempt to eradicate malaria or re-introduce giant tortoises to Mauritius. Here are also plenty of discoveries to be made among the 70 million specimens at the museum, including hidden store rooms full of specimens, and new scientific techniques that are being used to unlock age-old secrets.