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Gastropod: Gastropod - Food with a Side of Science & History

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We’re coming up to AvocadoFest 2026, otherwise known as the Super Bowl, when Americans get fully a fifth of their annual avocado allocation. But how did this humble fruit, originally named after testicles, get from its Mexican forest home to a tattoo on Miley Cyrus's upper arm? This episode, we unravel the avocado's amazing journey, a story that involves not only conquistador...


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Canned tomatoes are a perfect winter food. As you'll know from our tomato episode, the beautiful fruits in fresh aisle of the supermarket are mostly flavorless outside of the summer season—but the tomatoes that get packed in a can are cheap, readily available, and, most...


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The season for holiday baking is upon us, and before you spice up your cookies and pies, you’ll probably want to know: is most of the cinnamon on grocery store shelves actually fake? That’s one question we’re investigating this week on behalf of you, dear listeners, in the latest installment of our popular Ask Gastropod series! This episode, we've got the scoop on what's real...


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Today, 'vanilla' often means boring, and yet the edible seedpod of this Central American orchid is one of the most expensive spices in the world, not to mention one of the most popular flavors globally. So how did this coveted bean get such a ho-hum reputation? Listen in this episode as Gastropod travels to vanilla's homeland in the highlands of Veracruz, Mexico, to investiga...


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Yoghurt is the most diverse section of the dairy case: from Icelandic skyr to creamy Australian, and fruity French Yoplait to full-fat Greek. With something to suit every palate, plus a dose of microbes to support healthy digestion, yoghurt is a staple food in the US, hero of a million smoothies, berry bowls, and snack breaks every day. Which is why it's pretty weird that, un...


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