“Life in space is impossible.” Before we even hear a word from Alfonso Cuaron’s staggering Gravity, a thin line of text already tells us everything that’s going to happen within its slim, unrelenting ninety-minute runtime. Life in space is impossible. But is survival possible? It’s a normal day for the Explorer team, one that sees Matt Kowalsky (George Clooney) working on his space walk time (he’s eager to break a previously-established record by another astronaut) while Shariff (Paul Sharma) tinkers outside the station and Dr. Ryan Stone (Sandra Bullock) attempts to repair some malfunctioning equipment so they can finish the upgrade they are tasked with completing. Things are relatively peaceful, the only hitch in an otherwise unremarkable excursion being Dr. Stone’s jumping stomach and her frustration at getting her work done – until the formerly relaxed Houston team suddenly demands an emergency evacuation. Not just for the three space walkers to go inside...