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June 26, 1498: A Brush With History
1498: The emperor of China patents the toothbrush: hogback bristles set into a piece of bone or bamboo. Dental hygiene takes a step up. How — or if — you cleaned your teeth before this time depended on...
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Jan. 27, 1967: 3 Astronauts Die in Launchpad Fire
1967: Gus Grissom, Ed White and Roger Chaffee are killed on the launch pad when a flash fire engulfs their command module during testing for the first Apollo-Saturn mission. They are the first U.S....
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Feb. 28, 1935: Sheer Bliss
1935: Nylon is produced for the first time. Credit for the creation of this versatile synthetic goes to Wallace Carothers, a chemist who headed up DuPont’s Experimental Station laboratory in Delaware....
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Feb. 24, 1938: Americans Can Now Stop Chewing on Pig Hair
The first nylon-bristled toothbrushes go on sale, a welcome alternative to chewing on sticks or scrubbing the teeth with ground-up oyster shells. The post Feb. 24, 1938: Americans Can Now Stop Chewing...
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