The bark of an older redwood tree is fireproof.
65
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Most dust particles in your house are made from dead skin!
67
Iron weighs more after it rusts.
16
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Sound at the right vibration can bore holes through a solid object.
134
Your brain is 80% water.
525