Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Nylon is made from coal and petroleum.
42
If the chemical sodium is dropped into water it will immediately and violently explode.
67
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Nearly 50% of the world's scientists are assigned to military projects.
71