Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Scientists in Germany have developed a candy that doesn't cause cavities.
11
4.5 pounds of sunlight strike the Earth each day.
27
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
If the chemical sodium is dropped into water it will immediately and violently explode.
67
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39