It's an old distinction: Science tells us what the world is like, but it can never tell us how we ought to behave in such a world. That's the realm of morality, and here we consult ethicists or perhaps priests—but something other than just data.
It's pretty tough to keep science hemmed in, though; and in the past decade a group of researchers have begun to transform how we think about morality. They've put our sense of right and wrong in lab, and even in the fMRI machine. And while their finding...
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