morphine

Uganda is challenging morphine's reputation as an archaic, dangerous drug — and inspiring other African countries to do the same.

Morphine, like other opiates, is controversial. It poses risks. But for some patients, like a man in India who's profiled in a short documentary, the painkiller offers hope.

What if microbes could ferment sugar into narcotics, like the way yeasts make beer? That day is quickly approaching. This week scientists report all the steps needed to make morphine in yeast.