0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Your brain is 80% water.
525
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The sun is 330,330 times larger than the earth.
75
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
