Dec 24, 2012 (Tell Me More) — You may not know that the traffic signal, the firehouse pole, and instant coffee were all invented by people of color. The stories behind those inventions and many more are included in the new book, Mad Science. Editor Randy Alfred speaks with guest host Celeste Headlee.
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'Mad Science' Looks At Groundbreaking Inventors
Dec 24, 2012 (Tell Me More) — You may not know that the traffic signal, the firehouse pole, and instant coffee were all invented by people of color. The stories behind those inventions and many more are included in the new book, Mad Science. Editor Randy Alfred speaks with guest host Celeste Headlee.Missing some content? Check the source: NPR
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