Your brain is 80% water.
525
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
Scientists aren't sure what color dinosaurs were.
312
Scientists are now able to grow 'beating' heart tissue in a lab!
162
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17