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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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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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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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Green tea is able to stop the scent of garlic or onion from causing bad breath.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").