Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The only letter not appearing on the Periodic Table is the letter "J".
180
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Sound travels about 4 times faster in water than in air.
408
One cubic foot of gold weighs more than 1,200 pounds!
78
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17