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The toothbrush was invented because teeth demanded better PR.

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🤯 "The toothbrush was invented because teeth demanded better PR."

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Antibiotics revolutionized medicine in the 20th century. Aspirin, one of the oldest and most used drugs, was patented in 1899. Braille was invented by Louis Braille in 1824. Canned food was developed by Nicolas Appert for Napoleon’s army. Concrete was used by the Romans over 2,000 years ago. Contact lenses were first conceived in the 1800s. See all Inventions facts →

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