LifeMysterious deep-sea sharks biting chunks out of migrating whales Cookie-cutter sharks rise from the depths to feed on whales – and the wounds they leave are shedding light on both the sharks and their prey ¿ìè¶ÌÊÓÆµ
HumansThe Man Who Knew Infinity fails to break the mathematical mould One of the world's greatest mathematicians, Srinivasa Ramanujan is still unknown to Westerners – but does a Hollywood biopic about his life and work have to be this safe? CultureLab