Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
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Children grow faster in the springtime than any other season during the year.
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The offspring of two sets of identical twins are legally cousins but genetically siblings.
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According to some estimates, Americans are sitting on $30 billion worth of unredeemed gift cards.
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If you're over 100 years old, there's an 80% chance you're a woman.
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The average person will go on a date at least 100 times before they finally marry.
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In one day an average person will take about 18,000 steps.
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A study had men report their own penis size, and the average was found to be 6.1-6.5 inches. A subsequent clinical study actually measured penises, and found the average size to be 5.1-5.7 inches.
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