Weekly News From Beyond Infinity 25/10/16

Our weekly news round-up: Challenge to theory of universe’s accelerating expansion; ExoMars’ Schiaparelli lander crashes in Meridiani Planum; Martian recurring gullies caused by seasonal frost, not subsurface water; Body cams improve safety for cops and crims; Google drops anonymous ad tracking; Different RAM on iPhone 7 models found to deliver very different performance.