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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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Cyanide works by making the human body unable to use oxygen.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
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There are more bacteria in your mouth than there are people in the world.