I imagine you’re all familiar with the concept of the Trolley Problem. You know the ethics-minefield thought experiment, right? A trolley barrels down railway tracks, hurtling towards five people. You ...

Oh, shoot. The trolley problem is happening to me. The probability of dying in a plane crash is about one in thirteen million. The probability of being attacked by a shark is one in four million.

A runaway trolley is speeding along a track to which five people are tied, up ahead. I am standing next to a lever that, if pulled, would divert the trolley to a track where only one person is tied.

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