Quiz: Life on a crowded planet – what science reveals about the way we live

To celebrate World Population Day on July 11, we’ve got a challenging quiz for you. To raise awareness of the diversity of health and life conditions around the world we’ve put together ten thought-provoking questions based on our most interesting research. Give it a go - it’ll make you see the world in a different light.

Roberta Cucuzza 10 Jul 2015