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Better ways to go
Envisioning toilets of the future Require no water or sewer system. Use Little to no electricity. Can destroy pathogens. Are affordable and aspirational.
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Where it goes
One problem has followed humans for millennia: what to do with all the poo? Today, sanitation technologies boil down to two systems: sewered and non-sewered.
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The biology of going
Despite taboos and norms that caution against being too frank about feces, poop is a fact of life. But if we dare to look, poop offers a window into our health with clues about nutrition, digestion, and hydration.