Hollywood still loves its follow-ups – here’s our round-up of 142 (and counting) sequels currently on the way. Hollywood has got just a little warier of sequels over the past few years, and many that ...

A woolly mammoth’s tusk is a story written in ivory. It sprouts from beneath the mammoth’s gums, cells dividing continually, even daily. “The tip of the tusk is the young mammoth,” says Matthew ...