Human beings can be so compassionate. They can also be shockingly cruel. What if there was a master control for human behaviour? Switch it on and people are loving and generous. Switch it off and they revert to violence and greed. Pioneering neuroeconomist Paul J. Zak has discovered just such a mast[...]

Vampire Economics and the new science of good and evil. The truth about the trust hormone oxytocin the chemical that drives our behaviour and makes us the kind of humans each of us are. Zak explains how it works and how we harness its effects to change everyday lives.[...]