Urine diverting toilets use the teapot effect to separate urine from rest of sewage. Urine can be treated and used as fertilizer in agriculture, but it's difficult to collect at home. Technology is being developed that attaches directly to a toilet or other large building.
RNA in blood shows signs of pre-eclampsia before symptoms occur, and the issues of urine in our sewage and what can be done about it.
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