From Greenland to Mount Everest, this is the season of reckless jaunts

2 May 2013

The risk theorist John Adams of UCL has long championed what is known as the Peltzman effect, whereby people behave less cautiously where they feel more protected and vice versa. He says: "Everyone has a risk thermostat, and may adjust it to the risk level he likes, regardless of the experts' best efforts to decrease the risk". Read: Guardian