According to the record books, the greatest mountain on Earth was conquered by Sir Edmund Hilary in 1958. However, there remains the enigma of the attempt by the mercurial George Mallory and his assistant, Andrew Irvine, over 3 decades earlier from the other side of Everest. After a prolonged absence and adverse weather conditions, it was assumed that the climbers had perished during the attempt. Recently though, Mallory's body was discovered on the...