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

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

The air at the summit of Mount Everest, 29,029 feet is only a third as thick as the air at sea level.

Without its lining of mucus your stomach would digest itself.

Every year over one million earthquakes shake the Earth.

Human tapeworms can grow up to 22.9m.

90% of those who die from hurricanes die from drowning.

More germs are transferred shaking hands than kissing.