Today's Episode

June 2, 2023

Animals like tiger sharks, sea otters, and wildebeest play outsized roles in sequestering carbon. Plus, over a thousand people have participated in an international project to crossbreed smaller varieties of a backyard tomato plant. And, researchers find the saguaro cactus’ new growth is declining.


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The Story of Saliva

Why do newborns drool excessively? How many pints of saliva does a person generate daily? (Hint, it’s more than one.) And more spit mysteries excerpted from “Gulp: Adventures Down the Alimentary Canal.”

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