The fastest moving land snake is the Black Mamba, which can move up to 7 miles per hour.

Unlike other species of shark, the great white is warm-blooded. Although the great white does not keep a constant body temperature, it needs to eat a lot of meat in order to be able to regulate its temperature.

Mark Twain was born on a day in 1835 when Halley's Comet came into view. When he died in 1910, Halley's Comet was in view again.

AMAZING FACTS