The next time someone calls you a 'pinhead', you should take it as a compliment - That's because researchers recently revealed that the size of animals' brain, has no bearing on its intelligence level.

Paul Sereno, a resident paleontologist at National Geographic has been scouring the arid areas of the Sahara for many years, in search of crocodile fossils. Now his findings of five species of these ferocious creatures that roamed the Earth 100 million years ago, have been used to create an amazing  documentary entitled 'Crocs Eating Dinosaurs'.