The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
Diamonds can be shattered with a hammer.
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One 75-watt bulb gives more light than three 25-watt bulbs.
57
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
A cubic yard of air weighs about 2 pounds at sea level.
31