Summary: Huge, high-tech 3D printers bring replicas of the gate of the Temple of Bel (Ba'al) to London and New York--cities that are already home to ancient Egyptian obelisks, the Needles of Cleopatra. It reminds us of the movie Ghostbusters--New York and London will soon have supernatural "key masters" and "gatekeepers". Also: Top scientists discuss whether we live in a hologram; researchers find algae that produce oil; new study digs into "anti-memories"; NASA's controversial new EMdrive is about to be peer-reviewed; and radioactive boars take over Fukushima.
