03:08
Reactions
Let's Settle This: How to Care for Cast-Iron
We're using chemistry to prove the right way to season and treat a cast-iron skillet.
Elephant Toothpaste
Reactions is a show that uncovers the chemistry all around us. We answer the burning questions you’ve always wanted to ask, blending the worlds of science and every-day life.
Elephant Toothpaste
Season 3 Episode 25 | 3m 0s
You might have seen this wacky experiment in a chemistry class or on late-night TV. Dropping a mixture into some hydrogen peroxide produces a huge foamy flume. But what’s actually causing that big mess? Turns out it’s a great illustration of a key concept in chemistry: catalysts.
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