Nearly 50% of the world's scientists are assigned to military projects.
71
4.5 pounds of sunlight strike the Earth each day.
27
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The average home creates more pollution than does the average car.
33
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17