A dog's sense of smell is 1,000 times more sensitive than a humans.

Wireless' communications took a giant leap forward in 1962 with the launch of Telstar, the first satellite capable of relaying telephone and satellite TV signals.

Light would take 0.13 seconds to travel around the Earth.

There are 60,000 miles of blood vessels in the human body.

There are more living organisms on the skin of each human than there are humans on the surface of the earth.

Alfred Nobel invented dynamite in 1866.

The Australian billygoat plum contains 100 times more vitamin C than an orange.

The first synthetic human chromosome was constructed by US scientists in 1997.