The bark of an older redwood tree is fireproof.
65
Your brain is 80% water.
525
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Indoor pollution is 10 times more toxic than outdoor pollution.
62
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
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Aluminum used to be more valuable than gold!
84