they have recovered. "We're trying hard to make this possible within our generation", he told a Channel 4 documentary team who have been charting the project's progress. However, many in the science community oppose the idea of bringing an extinct species back to life. Dr Tori Herridge, a palaeobiologist and mammoth specialist at the Natural History Museum, described the moment she came face to face with the mammoth, nicknamed Buttercup, as "one of the most incredible experiences of my life".