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
Your brain is 80% water.
525
The average temperature at 40,000 feet above sea level is -60 F.
56
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
In zero gravity, a candle's flame is round and blue.
16
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116