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
Each day, up to 150 species of life become extinct.
-23
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Iron weighs more after it rusts.
16
The smell of freshly cut grass is actually a plant distress call.
31
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The only letter not appearing on the Periodic Table is the letter "J".
180