Scientists perform a necropsy on a 50,000-year-old baby mammoth nicknamed Yana, at the North-Eastern Federal University. The carcass, which was dug up last summer near the Batagaika research station in the permafrost-covered region of Yakutia, weighs 180kg and is 120cm (4ft) tall and 200cm long, Yakutsk, #Russia
Photograph: AFP/Getty Images
