The earth is approx. 6,588,000,000,000,000,000 tons.
175
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Pumice is the only rock that floats on water.
14
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
According to studies, men change their minds two to three times more often than women.
72
Sound travels fifteen times faster through steel than through air.
134
A 'jiffy' is an actual unit of time for 1/100th of a second!
66