The New Science of Giving (Wall Street Journal)

A young Houston couple is planning to give away $4 billion—but only to projects that prove they are worth it. Can they redefine the world of philanthropy? Updated May 17, 2013, 4:20 p.m. ET By BRAD REAGAN

LIKE ANY POPULAR food writer, Gary Taubes gets more than his share of e-mails about his work. So he didn’t give it much thought one day two years ago when he got a five-line comment about a podcast he’d given the week before. It was plainly signed “John.”

The man was intrigued by Taubes’s theories on why people get fat—more specifically, the food writer’s argument that most of the science on obesity is either badly flawed or inconclusive. What was needed, Taubes had said, was a comprehensive experiment that can answer some of the key questions about how our bodies process food. The problem is that such a study is hugely expensive. “From the little I know about the science of nutrition, your study makes a lot of sense,” the listener wrote, adding that he ran a foundation focused on public policy.

Read more on the Wall Street Journal.