Can saliva change the way our food tastes? Does it affect our cooking? In our Season 16 finale, reporter Jacklyn Kim digs into the unexpected ingredient that we end up adding to every meal.

Proof will be back later in May with a 6-part miniseries on the history of cocktails!

Until then, stimulate your taste buds and break out the cast iron with the Test Kitchen recipe for Cast Iron Margherita Pizza.

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In 1951, the Explorer's Club hosted an extravagant banquet that had 250,000-year-old woolly mammoth on the menu. The dinner raised eyebrows back then as it does now. What does it mean to seek out "exotic" foods? Why do we do it? And was it really wooly mammoth that was on the menu? Reporter Doug Mack digs in.

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We're headed to the riverbanks of the Magdalena River to experience a Colombian tradition of eating stew, called the paseo de olla. Journalist Camilo Garzón shares how the mighty river and the stew have been at the center of Colombia's past and present.

Hear more of Camilo's work at Cuentero Productions.

Invite some friends over to enjoy Colombia's signature three-meat stew, Sancocho at home with our tested recipe.

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What happens when you have to boycott your favorite food? Reporter Makepeace Sitlhou travels to her home to North East India to confront this reality with her favorite dish: The Manipuri Thali.

Heads up: This episode includes descriptions of violence.

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We kick off Season 16 with a new episode that traces Horiatiki, or the Greek salad's journey from Athens to American tables. Our reporter digs into how tax evasion shaped the humble Horiatiki, and how a star ingredient wasn't incorporated until much later than you might think.

Check our top picks for Feta Cheese to make your own Horiatiki at home.

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Before we return next week with new episodes of Proof, we're sharing an episode of Your Mama’s Kitchen, a podcast about cuisine and culture, ingredients and identities, and the meals and memories that make us who we are. In this episode, host Michele Norris interviews TV’s funniest redhead, Conan O’Brien. The comedian talks about how he first learned to be funny at the kitchen table. We also learn about why Halloween is his favorite holiday, and he reveals his favorite childhood meal: fried ham. Learn more about Your Mama’s Kitchen here.

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This week, we're bringing you the first episode from a new, four-part series from our friends at The Sporkful. Host Dan Pashman shares the inside story of creating his first cookbook, Anything’s Pastable — from the highs and lows of recipe testing, to a research trip across Italy, to the agonizing decisions over the design of the cover. By the end, you'll never look at a cookbook the same way again. Episode 2 is available in The Sporkful feed right now!

See if Dan is visiting a city near you on his tour of book signings and live podcast tapings with special guests. And follow Dan on Instagram to see photos and videos from the Anything’s Pastable journey!

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We wrap up awards season with our Signal Award-Winning episode that asks: Will hot-boxing a lobster before it's cooked alleviate its pain? Science reporter Sarah Vitak takes us to a lobster shack in Maine to find out.

Bring a taste of Maine home and make your own New England Lobster Rolls.

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