The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Diamonds can be shattered with a hammer.
-104
Sound travels about 4 times faster in water than in air.
408
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Nylon is made from coal and petroleum.
42
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The left ear is more responsive to words of love and emotion whispered into it than the right.
40