Cold water weighs more than hot water.
93
4.5 pounds of sunlight strike the Earth each day.
27
Hot water can freeze faster than cold water.
181
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The average temperature at 40,000 feet above sea level is -60 F.
56
One ragweed plant can release as many as one billion grains of pollen!
51
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61