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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 first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.
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Green tea is able to stop the scent of garlic or onion from causing bad breath.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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Vaccines prevent between 2.5 and 4 million deaths every year.