Many whales are toothless. They use a plate of comb-like fibre called baleen to filter small crustaceans and other creatures from the water.

One barrel of petroleum holds 42 gallons.

The average annual low for South pole is -61, compared with -3 at the North pole. The lowest temperature ever recorded at the South Pole is -117, while the record at the North Pole is -59.

AMAZING FACTS