DNA was first discovered in 1869 by Swiss Friedrich Mieschler.

If our Sun were just inch in diameter, the nearest star would be 445 miles away.

Microbial life can survive on the cooling rods of a nuclear reactor.

Light would take 0.13 seconds to travel around the Earth.

One in every 2000 babies is born with a tooth.

The Earth spins at 1,000 mph but it travels through space at an incredible 67,000 mph.

The largest desert in the world, the Sahara, is 3,500,000 square miles.

The molecular structure of DNA was first determined by Watson and Crick in 1953.