It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
No matter how cold it gets, gasoline will not freeze.
107
A ball of glass will bounce higher than a ball made of rubber.
73
Balsa wood is classified as a hard wood!
41
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
Pure water (H2O) does not conduct electricity on its own.
46
One ragweed plant can release as many as one billion grains of pollen!
51