The bark of an older redwood tree is fireproof.
65
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Your brain is 80% water.
525
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13