Societal Needs
The messages in this area focus on the origins of aspects of society which have become essential to us today.
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Bot Prevention, Crowdsourcing, Language Learning
Louis von Ahn was born in 1978 in Guatemala. Both of his parents were doctors, and he had privileges that others in his country did not have. His privileged background has helped shape his career. His experience in applying for college in the U.S. left him with a...
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The Purple Heart
In 1782, George Washington commander of the Continental Army created the Badge of Military Merit. The original badge was a medal heart on a purple background. The award was discontinued in use until after World War I. In 1927, the Army Chief of Staff asked Congress to...
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Electronic Books
Angela Ruiz Robles was born in Spain in 1895. Her family was wealthy so she was able to get a college education. She studied to be a teacher, preparing women for office jobs. Ruiz lived during the Spanish Civil War and became an advocate for female literacy. At the...
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The Birth Control Pill: A Planned Beginning
The birth control pill has been called the second-greatest pharmaceutical discovery after penicillin. Its discovery faced both scientific and political challenges. In the 1940s and 1950s Margaret Sanger, a leading women’s rights activist personally funded early...
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Credit Hours
Some of our most accomplished leaders in a wide variety of areas were largely self-educated. Abraham Lincoln, for example, was a self-educated attorney. Over time post-secondary institutions began to become more valuable, but that created a problem. At the time, there...
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Installment Purchases
Isaac Singer didn’t invent the sewing machine, but he did make a number of changes to the original design. He applied for patents for his innovations. Edward Clark was his attorney. When Singer couldn’t pay Clark, he gave him 37.5% of the Singer Sewing Machine...
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