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
Nylon is made from coal and petroleum.
42
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
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