Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The average temperature at 40,000 feet above sea level is -60 F.
56
One cubic foot of gold weighs more than 1,200 pounds!
78
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
The sun is 330,330 times larger than the earth.
75
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
A cubic yard of air weighs about 2 pounds at sea level.
31