If the chemical sodium is dropped into water it will immediately and violently explode.
67
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
One barrel of petroleum holds 42 gallons.
20
Brass doorknobs automatically disinfect themselves in about 8 hours.
18