The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
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When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
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The Earth's atmosphere weighs about 5.5 quadrillion tons.
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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.
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A cubic yard of air weighs about 2 pounds at sea level.
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Scientists in Germany have developed a candy that doesn't cause cavities.
11
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
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