(Boston Globe) In addition to the wild speculation by conspiracy theorists, experts and media types are floating a range of ideas as to what might have happened to Malaysia Airlines Flight 370, its 12 crew members, and the 227 passengers on board.

Without finding the plane or solid evidence of its whereabouts, there’s no telling exactly what caused the jetliner to vanish. So until that happens, here are the theories we’re working with:

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