'Digital dinosaur' shows how creatures moved
31 October 2013 Last updated at 07:35 GMT
Scientists have created a digital version of the biggest dinosaur ever to have walked the Earth, in order to find out exactly how it moved around.
The sheer size of some of the sauropods, including the 80-tonne Argentinosaurus, has presented biologists with tough questions over how the creatures could support themselves on land.
Victoria Gill reports.