Dan Ariely

It turns out there’s quite a bit of cognitive dissonance impairing our understanding of motivation and happiness. Duke University’s Professor Dan Ariely fills in the gaps.

A new study suggests the brain gets more desensitized to lying with each lie you tell.

Swiping a bank card and Venmo-ing your friends has made money more abstract than ever – and therefore so much easier to thoughtlessly spend. A proposed new tech device would make cash-free purchases tactile again.