US scientist Dr Fred Ramsdell was on the last day of a three-week hike with his wife Laura O'Neill and their two dogs, deep in Montana's grizzly bear country, when Ms O'Neill suddenly started screaming. But it was not a predator that had disturbed the quiet of their off-grid holiday: it was a flurry of text messages bearing the news that Dr Ramsdell had won the Nobel Prize for medicine. Dr Ramsdell, whose phone had been on airplane mode when the Nobel committee tried to call him, told the BBC's