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
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Pure water (H2O) does not conduct electricity on its own.
46
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
4.5 pounds of sunlight strike the Earth each day.
27
The bark of an older redwood tree is fireproof.
65
One ragweed plant can release as many as one billion grains of pollen!
51