Tag Archives: CO2

Scientists discover why cheese have holes, and it is not CO2

Holes that form in cheeses such as emmental caused by hay particles in milk and not CO2 released by bacteria, say experts

Mice are not the culprit either.
Mice are not the culprit either. Photograph: Chris Warbey

After about a century of research, scientists in Switzerland have finally solved the mystery of the holes in Swiss cheese.

Despite what you may have been told as a child, the holes are not caused by mice nibbling away inside cheese wheels.

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