Brass doorknobs automatically disinfect themselves in about 8 hours.
18
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
4.5 pounds of sunlight strike the Earth each day.
27
Cold water weighs more than hot water.
93
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
One ragweed plant can release as many as one billion grains of pollen!
51