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j16sdiztoday at 4:29 PM2 repliesview on HN

It feels next would be trying isolate the component that make CO2. Try to use smaller sample. Put them under microscope, etc.


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greenbittoday at 6:04 PM

Maybe it's the very molecules that the live cells were using, just doing their thing without the cells. Cells concentrate things by confining them in a small volume, but otoh, if you have damp particles, the thin water layer on the particles would be a kind of confining space, with the added advantage of surface area to exchange gases with.

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wagwangtoday at 5:26 PM

I might be dumb, but I figured they would just continuously subdivide the sample until they isolated it. Maybe CO2 sensors wont be sensitive enough?