Indoor pollution is 10 times more toxic than outdoor pollution.
62
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
A cubic yard of air weighs about 2 pounds at sea level.
31
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
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
The average temperature at 40,000 feet above sea level is -60 F.
56