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Did you know?
The average adult has about 21 square feet of skin.
Did you know?
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
Did you know?
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Did you know?
Your heart beats over 36 million times a year.
Did you know?
There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.