Early toilets reveal dysentery in Old Testament Jerusalem

A new analysis of ancient feces taken from two Jerusalem latrines dating back to the biblical Kingdom of Judah has uncovered traces of a single-celled microorganism Giardia duodenalis—a common cause of debilitating diarrhea ...

How E. coli cells work in the human gut

(Phys.org) -- The bacterium Escherichia coli, commonly known as E. coli, has a duplicitous reputation. Scientists tell us that most strains of the microbe live peacefully in our guts or the guts of other mammals, munching ...

Short of water, Peru's engineers 'make our own'

The message emblazoned on a billboard outside the Peruvian capital sounds almost too good to be true: drinkable water for anyone who wants some in this arid village.