The average temperature at 40,000 feet above sea level is -60 F.
56
Scientists are now able to grow 'beating' heart tissue in a lab!
162
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
The earth is approx. 6,588,000,000,000,000,000 tons.
175
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Scientists aren't sure what color dinosaurs were.
312
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Billions of neutrinos pass unnoticed through your body every second.
6