Nature, Published online: 26 November 2019; doi:10.1038/d41586-019-03627-9 Local experts — not rich donors — must design and control studies, says Francisca Mutapi.
Nature, Published online: 26 November 2019; doi:10.1038/d41586-019-03614-0 Scientists isolate two enzymes that paint psilocybin-laden mushrooms an unearthly colour.
Nature, Published online: 26 November 2019; doi:10.1038/d41586-019-03630-0 The MineRL competition encourages coders to devise programs that learn by example.