A zebra is white with black stripes.

All the planets in our solar system rotate anticlockwise, except Venus. It is the only planet that rotates clockwise.

Hummingbirds are the only animal that can also fly backwards.

The word "listen" contains the same letters as the word "silent".

The only 2 animals that can see behind themselves without turning their heads are the rabbit and the parrot.

A hippopotamus can run faster than a man.

India has never invaded any country in her last 10000 years of history.

'Hippopotomonstrosesquippedaliophobia' is the fear of long words.

It is impossible to lick your elbow.

A snail can sleep for 3 years.

In 1883 the explosion of the volcano Krakatoa put so much dust into the earth's atmosphere that sunsets appeared green and the moon appeared blue around the world for almost two years.

"Almost" is the longest word in the English language with all the letters in alphabetical order.

Twenty-Four-Karat Gold is not pure gold since there is a small amount of copper in it. Absolutely pure gold is so soft that it can be molded with the hands.

Electricity doesn't move through a wire but through a field around the wire.

55 per cent of people yawn within 5 minutes of seeing someone else yawn. Reading about yawning makes most people yawn.