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
The average temperature at 40,000 feet above sea level is -60 F.
56
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
One cubic foot of gold weighs more than 1,200 pounds!
78
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Cold water weighs more than hot water.
93
Scientists aren't sure what color dinosaurs were.
312
One ragweed plant can release as many as one billion grains of pollen!
51