Most dust particles in your house come from dead skin.
48
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
One third of the electricity produced on earth is used to power electric light bulbs!
75
The average temperature at 40,000 feet above sea level is -60 F.
56
Nearly 50% of the world's scientists are assigned to military projects.
71
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
A single speck of dust is half way in size between a subatomic particle and the Earth.
15