08:29
Eons
Why Does Caffeine Exist?
It started with the production of one specific molecule and its ability to evolve.
- TV-Y7
Why Sour May Be The Oldest Taste
Join hosts Kallie Moore, Michelle Barboza-Ramirez, Gabriel Santos, and Blake de Pastino as they take you on a journey through the history of life on Earth. From the dawn of life in the Archaean Eon through the Mesozoic Era — the so-called “Age of Dinosaurs” -- right up to the end of the most recent Ice Age.
Why Sour May Be The Oldest Taste
Season 4 Episode 27 | 7m 2s | CC
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.
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