First nominee for essay of the year

Daniel Kahneman on the hedonic treadmill.

Actually, check out all of the essays at that site. Edge asked about a billion of the world’s smartest people what issue they changed their minds about. Here’s an essay by Freeman Dyson on Hiroshima and Nagasaki bombings. Here’s Helen Fisher telling us about human serial monogamy and here’s one talking about the fact there’s more to science than hypothesis testing by Irene Pepprberg.