Scientists have discovered that the long-extinct megalodon, also known as the megatooth shark, had a body temperature ... the megalodon likely needed to eat a lot of prey.

Emma explains, 'With its large serrated teeth megalodon would have eaten meat - most likely whales and large fish, and probably other sharks. If you are that big you need to eat a lot of food, so ...

Emma explains, 'With its large serrated teeth megalodon would have eaten meat - most likely whales and large fish, and probably other sharks. If you are that big you need to eat a lot of food, so ...