Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
One barrel of petroleum holds 42 gallons.
20
Billions of neutrinos pass unnoticed through your body every second.
6
A cesium atom in an atomic clock beats over nine billion times a second.
43
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51