morality

Not Exactly Rocket Science

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The English language is full of metaphors linking moral purity to both physical cleanliness and brightness. We speak of “clean consciences”, “pure thoughts” and “dirty thieves”. We’re suspicious of “shady behaviour” and we use light and darkness to symbolise good and evil. But there is more to these metaphors than we might imagine. The mere…

In a world where the temptation to lie, deceive and cheat is both strong and profitable, what compels some people to choose the straight and narrow path? According to a new brain-scanning study, honest moral decisions depend more on the absence of temptation in the first place than on people wilfully resisting these lures. Joshua…

What happens when you remember a good deed, or think of yourself as a stand-up citizen? You might think that your shining self-image would reinforce the value of selflessness and make you more likely to behave morally in the future. But a new study disagrees. Through three psychological experiments, Sonya Sachdeva from Northwestern University found…

Both objects and behaviour can be described as disgusting. The term could equally apply to someone who cheats other people out of money as it could to the sight of rancid food or the taste of sour milk. That’s not just a linguistic quirk. Some scientists believe that the revulsion we feel towards immoral behaviour…

Clean thoughts can soften moral judgments

Throughout our language, the vocabulary of physical cleanliness is also used to describe moral cleanliness. We describe saints as pure and thieves as dirty; consciences can be clean and sins can be washed away. But more and more, psychological studies tell us that these concepts are entwined in a very real way. The act of…

“Out, damn spot! Out I say!” In Macbeth’s fifth act, Lady Macbeth’s role in the treacherous murder of Duncan takes its toll, and she begins obsessively washing her hands to alleviate her guilty conscience. Now, some four centuries after Shakespeare penned his play, scientists have found that physical and moral cleanliness are just as inextricably…