This Is How We Taste Water

Scientists at Caltech published a study this week that uses this new information about sour taste bud cells to challenge current theories of taste and perception.

It’s important to note that when the scientists say “taste,” they’re not talking about whether or not water tastes good. Rather, they are looking at the idea that taste buds can detect water as a unique substance, like they can recognize the five other basic tastes (bitter, sweet, salty, umami, and sour).

Scientists have known for a while that bugs and amphibians “taste” water, so it’s not a big stretch to think that humans might have a separate detection system for it as well.


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