The average temperature at 40,000 feet above sea level is -60 F.
56
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The only letter not appearing on the Periodic Table is the letter "J".
180
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
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
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
One barrel of petroleum holds 42 gallons.
20