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Did you know?
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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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.
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Cyanide works by making the human body unable to use oxygen.
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In 1864, the first barbiturate (barbituric acid) was synthesized.