Why did Britain and the US continue to commit more troops to Iraq, despite little chance of victory and no end in sight?

Why are we more likely to fall in love when we feel in danger?

Why would a group of University students pay over $200 for a $20 note?

We all believe we are rational beings, yet the truth is that we’re much more prone to irrational behaviour than we realise or like to admit.

Looking at irrational behaviour in fields as diverse as medicine, archaeology and the legal system, Rom and Ori Brafman chart the psychological undercurrents that influence even our most basic decisions. In doing so they draw on the latest research in social psychology and behavioural economics to reveal the irresistible forces that sway us all.