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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Cyanide works by making the human body unable to use oxygen.
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
There are approximately 3 million unintended pregnancies in the United States each year.
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