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 Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
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
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Cold water weighs more than hot water.
93
A cubic yard of air weighs about 2 pounds at sea level.
31