Catalytic decomposition of hydrogen peroxide (aka - elephant's toothpaste, Old Foamy)

Catalytic decomposition of hydrogen peroxide Chief Scientist Carl Nelson shows us an extreme science project using hydrogen peroxide to make foam. It turns out that the bottle of hydrogen peroxide you have in the bathroom really does nothing for small cuts and scrapes. Check out this article from the New York Times that talks about how peroxide use for cuts is really not all that effective. Of course don’t miss our video below that shows what you can do with concentrated hydrogen peroxide.