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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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The longest a person has survived after a heart transplant is 24 years.