Scientists aren't sure what color dinosaurs were.
312
Research indicates that plants grow healthier when they are stroked.
173
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
One third of the electricity produced on earth is used to power electric light bulbs!
75
In zero gravity, a candle's flame is round and blue.
16
One barrel of petroleum holds 42 gallons.
20
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17