Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
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
A ball of glass will bounce higher than a ball made of rubber.
73