How umami blew up taste
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For thousands of years, there have been four basic tastes recognized across cultures. But thanks to Kumiko Ninomiya (a.k.a. the Umami Mama), scientists finally accepted a fifth. Could there be even more? (First published in 2022.)

Guests: Kumiko Ninomiya), biochemist and former director of the Umami Information Center; Gary Beauchamp), former director of the Monell Chemical Senses Center; Sarah Tracy), historian of science; Camilla Arndal Andersen), neuroscientist; Paul Breslin), professor at Rutgers University

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