MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
One third of the electricity produced on earth is used to power electric light bulbs!
75
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
The bark of an older redwood tree is fireproof.
65
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
In zero gravity, a candle's flame is round and blue.
16