Diamonds can be shattered with a hammer.
-104
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Liquid TIDE laundry detergent glows under a blacklight.
96
A cubic yard of air weighs about 2 pounds at sea level.
31
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16