Features

Some scientists think that temperature could be just as important as light at training the body's circadian clocks.

A Russian lab technician has died at a plague research centre in Siberia, but there are many reasons pneumonic plague is usually easily contained.

This sequel to The Social Network dramatises how a Facebook whistleblower exposed the company's secrets. But with a "dead-eyed" Jeremy Strong as Mark Zuckerberg, it lacks thrills.

Deep in Mongolia's taiga, reaching the Tsaatan takes multiple days by road, 4x4 and horse – but the reward is two nights immersed in one of the country's most remote communities.

Deception Island is a "spectacular amphitheatre of penguinness". Amid rusting industrial remains on a flooded active volcano, these photos reveal a rare winner of climate change.

It was the last hurrah of analogue, 20th-Century life in the UK, as the era's chaotic, thrilling energy spilled into music, fashion, art and hedonism.

It's trendy to be concerned about blood sugar spikes, but these can be a normal response to eating. Here's when you don't need to worry.