One cubic foot of gold weighs more than 1,200 pounds!
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In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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Neanderthal man had a brain capacity 100cc larger than modern man's.
50
The smell of freshly cut grass is actually a plant distress call.
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Scientists are working on a portable spray-on-skin that can heal severe wounds in just a few minutes.The spray mainly contains important proteins that can reprogram the injured cells to become stem cells, and back to young uniformed skin cells. So far they were able to accelerate healing process from 12 weeks to 21 days with a similar approach.
16
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
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