Cold water weighs more than hot water.
93
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 hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
A ball of glass will bounce higher than a ball made of rubber.
73
Out of all the senses, smell is most closely linked to memory.
146
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Hot water can freeze faster than cold water.
181