• Cunning colours
  The patterned coats of mammals such as tapirs, tigers and giraffes ...

• How do some mountain plants reproduce without flowers?
  Many mountain plants have dispensed with flowers because of the lack ...

• Do most reptiles eat big meals?
  Big reptiles eat big meals for their size. A crocodile may scoff a ...

• Why do some snakes borrow dangerous colors?
  A predator that has had a bad experience with a poisonous snake, will ...

• DID YOU KNOW?
  The average human brain weighs about 1.4kg (3lb). This is as much as ...