A crocodile can't move its tongue and cannot chew. Its digestive juices are so strong that it can digest a steel nail.

When the pack kills an animal, the alpha pair always eats first. As food supply is often irregular for wolves, they will eat up to 1/5th of their own body weight at a time to make up for days of missed food.

In only eight minutes, the Space Shuttle can accelerate to a speed of 27,000 kilometres per hour.

AMAZING FACTS