Sauropod dinosaur graphic animation
Media playback is unsupported on your device

How did dinosaurs support their weight?

Researchers think they have found out how some of the largest dinosaurs to have walked on Earth managed to support their weight.

Called the sauropod dinosaurs, they grew up to 40m long and could weigh more than 80 tonnes. Victoria Gill reports.

  • 30 Oct 2013
Go to next video: Dinosaurs walk on island with app