What's all this fuss about Pepto-Bismol? Every so often, there comes a teacher with the ability to explain the inexplicable...
VIDEO BY: GioRFK
VIDEO BY: TravisRockdale Magnet School of Science and Technology
VIDEO BY: KevinRoger Bacon High School
Comments are closed.
Merck litmus paper, 1934
©2010–2015 Chemical Heritage Foundation