Scientists aren't sure what color dinosaurs were.
312
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
In zero gravity, a candle's flame is round and blue.
16
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
The only letter not appearing on the Periodic Table is the letter "J".
180
Research indicates that plants grow healthier when they are stroked.
173