The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
One cubic foot of gold weighs more than 1,200 pounds!
78
Research indicates that plants grow healthier when they are stroked.
173
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
4.5 pounds of sunlight strike the Earth each day.
27
Billions of neutrinos pass unnoticed through your body every second.
6
Out of all the senses, smell is most closely linked to memory.
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Nearly 50% of the world's scientists are assigned to military projects.
71