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Animals, like humans, can’t live without oxygen — our cells need it in order to suck the most energy out of sugary glucose molecules. When we exercise, panting for more oxygen, we cut corners and only break down glucose a little bit, to a chemical called pyruvate. But that means producing lactic acid and storing it in our muscles until we have enough oxygen to deal with it. It can give us a little wiggle room on the oxygen front, but it’s hardly a perfect system.

Some bacteria have a different trick for dealing with a shortage of oxygen: They can break down glucose into pyruvate, then convert that compound into either lactic acid or ethanol and ship it out of their cell. We’ve taken advantage of that trick for millennia: When we humans are around, we set them up so that lactic acid or ethanol ends up in yogurt or booze. The definition of fermentation isn’t actually producing alcohol, it’s this process of breaking down glucose without any oxygen around.

And scientists just announced the first known group of animals that can get by on fermentation alone for long periods of time in an article published in Scientific Reports.

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Goldfish brew booze to stay alive in freezing winter water

 

This goldfish has a superpower.
Source: AFP/Gogo Lobato

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Click link below for article:

https://mic.com/articles/183618/goldfish-brew-booze-to-stay-alive-in-freezing-winter-water#.o7WgmKahT

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