From : BBCWorldwide Added: Jul 30, 2010
The discovery of a dinosaur skeleton complete with the heart region preserved in a fossiil has enabled scientists to make a startling discovery when comparing its CT scan to that of an alligator. Fascinating clip from the BBC natural history programme Walking with Dinosaurs: The Ballad of Big Al. Watch more high quality videos on the new BBC Worldwide YouTube channel here: http://www.youtube.com/bbcworldwide Category : Animals
Scientists step back 145 million years to tell the story of 'Big Al', a complete skeleton of an adolescent Allorsaurus found in Wyoming in 1991. The story starts in the Atlantic ...
From a tiny hatchling just 30 centimetres long to fully grown dinosaur requires a huge food intake. But just how did Big Al and his fellow dinosaurs feed such fantastic growth? ...