The average temperature at 40,000 feet above sea level is -60 F.
56
The earth is approx. 6,588,000,000,000,000,000 tons.
175
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
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Research indicates that plants grow healthier when they are stroked.
173
No matter how cold it gets, gasoline will not freeze.
107
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79