In zero gravity, a candle's flame is round and blue.
16
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
A cubic yard of air weighs about 2 pounds at sea level.
31
Pure water (H2O) does not conduct electricity on its own.
46
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
Research indicates that plants grow healthier when they are stroked.
173
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13