Associated Press: The underground bunker can block nuclear fallout, withstand a direct hit by a jetliner, and is cooled to a deathly chill. The ultramodern facility in the tranquil English countryside looks like a perfect lab for a James Bond villain, but it doesn’t hide anything sinister. The only thing kept here are seeds, lots of them – more than a billion, in fact. Scientists say this is the world’s most diverse seed bank, but its keepers worry that the global financial crisis could cut its …