Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The bark of an older redwood tree is fireproof.
65
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
A ball of glass will bounce higher than a ball made of rubber.
73
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
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 cesium atom in an atomic clock beats over nine billion times a second.
43