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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See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.