Unexplainable is part of the vox media podcast network. Next week, sight and the limitations of the mind's eye. If you want to learn more about the history of a mammy, an eye out for sarah tracy's upcoming book,. A history of monosodium glutime umami and the disphoric sublime in the awsom Umami by nosne.
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. So could there be even more?
This is the fourth episode of our six-part series, Making Sense.
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