Gelato
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Jello is tasty, colorful and fun to eat, but what's in it? One of its ingredients, gelatin, comes from animals. Marshall Brain breaks down the chemistry of jello and gelatin in this episode.
There is actually some disagreement about the actual origin point of ice cream, but almost everyone agrees it's delicious. The real origin story is a culmination of many cultures and ingredients coming together to fill the need for a frosty treat.