Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
One 75-watt bulb gives more light than three 25-watt bulbs.
57
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
Most dust particles in your house come from dead skin.
48
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89