How do eels get their shocking abilities?
How did the waggle dance evolve?
Why don't fish have eyelids? How can they sleep if they can never get any shut-eye?
Why is it that Aussie snakes have such a bad reputation?
Why is it that humans have three different blood groups: A, B and O. Do animals have the same blood groupings?
How do smells travel underwater and how can a shark smell a drop of blood in an entire ocean?