Your brain is 80% water.
525
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Iron weighs more after it rusts.
16
One cubic foot of gold weighs more than 1,200 pounds!
78
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Aluminum used to be more valuable than gold!
84
Diamonds can be shattered with a hammer.
-104