The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Scientists aren't sure what color dinosaurs were.
312
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
The bark of an older redwood tree is fireproof.
65
Your brain is 80% water.
525
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Sound travels about 4 times faster in water than in air.
408