ScienceA dark rideTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceConor Dillon10/10/2017October 10, 2017A digital "ticket" inside your hand in Sweden, taxi surveillance in Istanbul, an orbiting lunar base, and medicines pulled from shelves.https://p.dw.com/p/2lYXCAdvertisementHost and producer: Conor Dillon.