Diamonds can be shattered with a hammer.
-104
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Indoor pollution is 10 times more toxic than outdoor pollution.
62
A cesium atom in an atomic clock beats over nine billion times a second.
43
One 75-watt bulb gives more light than three 25-watt bulbs.
57