Media playback is unsupported on your device

How did dinosaurs support their weight?

30 October 2013 Last updated at 17:37 GMT

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.

Copyright © 2015 BBC. The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.