MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
In zero gravity, a candle's flame is round and blue.
16
Indoor pollution is 10 times more toxic than outdoor pollution.
62
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
The average temperature at 40,000 feet above sea level is -60 F.
56
Liquid TIDE laundry detergent glows under a blacklight.
96
Each day, up to 150 species of life become extinct.
-23
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17