Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
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A cubic yard of air weighs about 2 pounds at sea level.
31
One cubic foot of gold weighs more than 1,200 pounds!
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The earth is approx. 6,588,000,000,000,000,000 tons.
175
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
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
Most dust particles in your house come from dead skin.
48
A 'jiffy' is an actual unit of time for 1/100th of a second!
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