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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
The average adult has about 21 square feet of skin.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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