People I (Mostly) Admire Freakonomics

Astronomer Jill Tarter spent her career searching for extraterrestrial intelligence. She explains what civilizations from other planets could teach us about our own future.

Game theorist Barry Nalebuff explains how he used basic economics to build Honest Tea into a multimillion-dollar business, and shares his innovative approach to negotiation.

David Keith has spent his career studying ways to reflect sunlight away from the earth. It could reduce the risks of climate change — but it won’t save us.

Billionaire John Arnold is figuring out how to do as much good as he can with his wealth. It takes hard work, risk tolerance, and a lot of spending.

Many of us hate to think about future crises. Game designer Jane McGonigal wants to make it fun.

Jane McGonigal designed a game to help herself recover from a traumatic brain injury — and she thinks playing games can help us all lead our best lives.