The average temperature at 40,000 feet above sea level is -60 F.
56
Pumice is the only rock that floats on water.
14
The smell of freshly cut grass is actually a plant distress call.
31
Scientists are now able to grow 'beating' heart tissue in a lab!
162
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Billions of neutrinos pass unnoticed through your body every second.
6
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13