Also in The Economist, news that a little patch of prairie has turned up in the middle of urban St Louis, Missouri. It’s in a graveyard in the north of the city.
There could be some crop wild relatives in this 25-acre remnant, I suppose: wild sunflowers, maybe? No word on whether there are any bison there, or whether they will be re-introduced as part of the management plan, which at the moment involves controlled burning and weeding.