A 'jiffy' is an actual unit of time for 1/100th of a second!
66
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Cold water weighs more than hot water.
93
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
One barrel of petroleum holds 42 gallons.
20
Liquid TIDE laundry detergent glows under a blacklight.
96