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Why Sour May Be The Oldest Taste

While sour taste's original purpose was to warn vertebrates of danger, in a few animal groups, including us, its role has reversed. The taste of danger became something it was dangerous for us to avoid.
Season 4 Episode 27 Length 07:02 Premiere: 04/20/22

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Season 4 Episodes

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The Ancient Human Species With A Missing Body
S4 E28 Length 07:56 Premiere Date 04/27/22

Why Sour May Be The Oldest Taste
S4 E27 Length 07:02 Premiere Date 04/20/22

How the Smallest Animal Got So Simple
S4 E26 Length 06:52 Premiere Date 04/13/22

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S4 E25 Length 07:50 Premiere Date 03/29/22

The Sudden Rise of the First Colossal Animal
S4 E24 Length 08:44 Premiere Date 03/22/22

When a Giant Pterosaur Ruled the European Islands
S4 E23 Length 08:50 Premiere Date 03/15/22

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How Horses Went From Food To Friends
S4 E21 Length 06:32 Premiere Date 02/16/22

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S4 E20 Length 08:52 Premiere Date 02/08/22

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S4 E16 Length 09:38 Premiere Date 12/16/21

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S4 E15 Length 08:14 Premiere Date 12/09/21

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S4 E14 Length 09:17 Premiere Date 12/02/21

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S4 E13 Length 10:11 Premiere Date 11/17/21

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S4 E12 Length 07:49 Premiere Date 10/28/21

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S4 E9 Length 07:55 Premiere Date 09/29/21

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S4 E5 Length 10:53 Premiere Date 08/24/21

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S4 E4 Length 11:01 Premiere Date 08/12/21

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