Hooked on Science: Film Canister Rocket by: Staff Posted: Feb 14, 2018 / 05:56 PM CST / Updated: Feb 14, 2018 / 05:56 PM CST Jason Lindsey shows us how to make a film canister rocket with alka seltzer. A History of Mass Violence Investigation Issues, concerns and solutions in the debate surrounding mass violence Two mass shootings in one Texas town, decades apart Not a new epidemic: A timeline of 32 mass shootings Texas suffered in the past 40 years Survivors’ stories: What leaders can learn from Texas’ history of mass violence PODCAST: How citizens are helping stop mass violence in Texas More Texas Mass Violence