The bark of an older redwood tree is fireproof.
65
The sun is 330,330 times larger than the earth.
75
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Iron weighs more after it rusts.
16
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
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