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Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
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Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.