Seed libraries can restart agriculture after disasters. But what of useless plants? Two artists save the spontaneous, weedy species that serve no purpose but their own.
For Shelf Life, a film made in 1964 provides an enduring lens through which to look at density's delights.
In the first installment of Shelf Life, Janet Parks, curator of the Avery Drawings and Archives at Columbia University, takes us through its architectural underworld, uncovering the collection's treasures.