a paragraph on chemistry in modern life.
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Chemicals are everywhere. They're all around you. You're sitting on chemicals, breathing in chemicals, eating chemicals, and sleeping with chemicals. And no, you don't need to run away screaming: the natural world is made of chemicals, too. And chemistry is our study of those substances. Chemistry is the study of the atoms, molecules, and mixtures which make up the matter in the universe, including the ways they change, combine, and interact to form new ones.
While plants and animals are made of chemicals, the biggest impacts of chemistry on the world are where we've used our understanding of chemicals to make new, artificial ones. There's a modern feeling that artificial chemicals are bad, but that isn't completely true: artificial chemicals have saved billions of lives, increased human productivity, and completely changed the way we live. Although chemistry has impacted the modern world in ways too many to count, today we're going to talk about a handful of the biggest areas in which chemistry has impacted the world.