How Science Can Inform Ethics and Champion Sentient Beings

Why is it wrong to enslave or torture other humans, or take their property, or discriminate against them? That these actions are wrong, almost no one disputes. But why are they wrong? For an answer, most people turn to religion (because God says so), or to philosophy (because rights theory says so), or to political theory (because the social contract says so). In The Moral Arc, Michael Shermer shows how science may also contribute an answer. 

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