Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
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Gin is a mild diuretic which helps the body get rid of excessive fluid. Thus, it can reduce problems such as menstrual bloating.
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The average person's skin weighs twice as much as their brain.
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Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
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An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
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Within three days of death, the enzymes that once digested your food begin to eat you.
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