
Night exercises: The intense workout we all do in our sleep
6 December 2017
You never really sleep like a log. Instead we all twitch, talk and even walk around as our dreaming brains rehearse our waking movements

6 December 2017
You never really sleep like a log. Instead we all twitch, talk and even walk around as our dreaming brains rehearse our waking movements

6 December 2017
Many of Africa's savannahs are emptying of wildlife as cattle fences kill its charismatic fauna. But we are finding ways to save them

6 December 2017
Something is tearing everything apart even faster than we thought – and not even atoms will survive, never mind our picture of how the universe evolved