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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

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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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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

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Video: Introduction to Photolithography - WC, BLF, PA, Hard and Soft baking

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