Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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The average adult has about 21 square feet of skin.
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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
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On average, the stomach produces 2 L of hydrochloric acid per day.
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If you could remove all of your skin, it would weigh up to 5 pounds.
Karl Marx (1818–1883) believed that the roots of human misery lay in class conflict, the ...
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Typical clinical manifestation of hereditary angioedema (C1 inhibitor deficiency). You can see a ...
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