The average temperature at 40,000 feet above sea level is -60 F.
56
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Cold water weighs more than hot water.
93
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Most dust particles in your house are made from dead skin!
67
The sun is 330,330 times larger than the earth.
75