Scientists aren't sure what color dinosaurs were.
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Hot water can freeze faster than cold water.
181
4.5 pounds of sunlight strike the Earth each day.
27
The average temperature at 40,000 feet above sea level is -60 F.
56
A cubic yard of air weighs about 2 pounds at sea level.
31
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
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57