#RSS Feed alternate publisher * Now * NFL Patriots * • * Ernie Banks * • * Klay Thompson * • * SkyMall * • * Mom On Strike * • * Weather * Good Morning America * World News Tonight * Nightline * 20/20 * This Week * * Sign In * Search______________ Search * ABC News * Home * Video * U.S. * World * Politics * Entertainment * Tech * Health * Lifestyle * Money * Shows + GMA + World News Tonight + Nightline + 20/20 + This Week * More + Investigative + Money + Sports + Good News + Photos + Fusion + Job Search + Live * [gear_icon.png] Weather Preferences ____________________ Cancel Set * ABC News * Home * Video * U.S. * World * Politics * Entertainment * Tech * Health * Lifestyle * Money * More + Investigative + Sports + Good News + Photos + Job Search + Fusion + Live Home> ABC News Pop Rocks Celebrates 50 Years of Fizzing April 18, 2006 The same year that Jonas Salk discovered a vaccine for polio, a little-known chemist at General Foods stumbled on to what would provide a revolution in mouths across the country. Find out more on this story along with the latest headlines during the 'World News Tonight' webcast, daily at 3 p.m. ET. Click here to watch. William A. Mitchell had a simple hope in 1956 -- make instant soda from a tablet. The soda didn't pan out, but he created a hit. His research led to the invention of Pop Rocks candy. Twenty years later, the colorful, sugary treat that explodes on your tongue became one of the most-popular candies in America. Packets were found in candy machines and stuffed in lunchboxes. What makes these candy rocks pop on your tongue, though? The tiny shards of candy include a gasified form of carbon dioxide. When they hit saliva in the mouth, the result is an unmistakable buzz. As concerns were raised over potential injuries from these small explosions, health officials said the candy was safe, but urban legends about Pop Rocks fatalities still ran wild. One example involved actor John Gilchrist, who played the finicky child Mikey in the Life cereal ads. As the false story went, Gilchrist mixed Pop Rocks and soda, and met his death. Today, the makers of Pop Rocks hope the brand can live on as a nostalgia product. Related Topics: Jonas Salk, Infectious Diseases Join the Discussion Please enable JavaScript to view the comments powered by Disqus. blog comments powered by Disqus Hot Right Now 1 PHOTO: Paper bag lunch. Dad Posts Teacher's Meddling Note Over Packed Lunch 2 PHOTO: ABCs Diane Sawyer, center right, walks through a Port Authority bus terminal with New York Times journalist Nicholas Kristof, left, and Officer Jack Collins, center left, and Sgt. Hector Martinez, right. How Young Women Become Sex Trafficking Victims 3 PHOTO: Police found Harry ‘Wade’ Atchison’s 1969 Dodge Coronet in a canal in West Broward County on Wednesday. Dana Null was last seen with Atchinson in 1978. Remains Found in Car Linked to 1978 Missing Teens Case 4 PHOTO: Bradley Cooper appears in a scene from American Sniper. 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