Subway Typology

Transportation planners who thought the current job climate couldn't possibly get worse may want to ignore this piece. John Metcalfe reports on studies that show slime is just as effective in planning the path of an urban rail system as humans.
Jul 24, 2012   The Atlantic Cities
Brandon Keim explores the fascinating findings detailed in a new paper, which shows that the world’s major subway systems appear to be organically converging on an ideal form.
May 16, 2012   Wired Science