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Well, this is fascinating! The city of Poznan, Poland uses eight clams to control their water supply. When the water is clean, they remain open, but close when contaminated, closing a sensor harmlessly glued to their shell. Computers do the rest. After three months, the clams are returned to their original home and replaced with new clams. #science #health #cleverhttps://kottke.org/24/12/eight-clams-control-this-polish-citys-water-supply

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And just in case (having read the previous post) you were thinking a healthy diet is all about choice.... what we actually see is that to maintain a healthy diet takes an impossible proportion of disposable income for the poorest 20% of the population.... no-one can spend 70% of their income on food when they also are confronted with rising fuel prices & record rents....

We are living in a country which is hurtling back to the social structures of Victorian Britain.

#Food #health