Pieces of slime mould, an amoeba-like organism, were enticed through a 30-square-centimetre (five-square-inch) maze by the prospect of food at the end of the puzzle.

BBC: When slime is not so thick

Its newsroom was a disheveled maze in Times Square.

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Forty-two tons of soil were carried up three flights of stairs to create Bartlett's 2, 500-square-foot "country in the city, " planted with a lawn, an evergreen maze, a grape arbor, an apple orchard and a rose garden.

WSJ: The Most Important Garden Designer You've Never Heard Of