How umami blew up taste

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 For
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