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48 records found. Displaying 13 - 24.

Science and Math

Vaccines

Vaccines have been used for more than 1,000 years! The first vaccine was made to protect people against smallpox. Today, vaccines help protect people from many diseases and illnesses. This… More →

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Science and Math

The Internet

The Internet has changed the way more than half the world’s population communicates and accesses information. The invention dates to the Cold War, when its purpose was to provide security.… More →

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Science and Math

The Telephone

Believed by some to be one of the most important inventions of all time, the telephone has helped connect people all over the world. This title welcomes readers with a narrative that… More →

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Science and Math

The Television

For more than 100 years, the television has sparked wonder and excitement in people around the world! A device that displayed fuzzy pictures on small screens has become an entertainment… More →

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