You can tell the age of a whale by looking at the wax plug in its ear. This plug in the ear has a pattern of layers when cut lengthwise that scientists can count to estimate the age of the whale.

Many people in parts of China eat insects. Some common insects are bean worms, scoprions, and locusts.

When the body is resting, it takes in about 10 litres of air every minute.

AMAZING FACTS