Almonds are the oldest, most widely cultivated and extensively used nuts in the world.

If the average man never trimmed his beard, it would grow to nearly 30-feet long in his lifetime.

If all the oceans were to evaporate, the salt left behind would cover the world with a 50-metre thick layer.

One acre of forest absorbs six tons of carbon dioxide and puts out four tons of oxygen.

The fastest bird is the peregrine falcon. It can fly at a speed of 217 miles per hour.

Elephants purr, like cats do, as a way of communication.