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The State of Geoengineering Research

As noted earlier, Congress today is holding its first-ever hearings on geoengineering as a potential means to fight global warming. Read More »



Is the Ban on Selling Bone Marrow Unconstitutional?

I’ve written a fair amount about organ transplantation in the past (for example, here and here). But it was only in reading SuperFreakonomics that I learned that “the Iranian government [pays] people to give up a kidney, roughly $1,200, with an additional sum paid by the kidney recipient.” The book also tells the story of our own country’s brief flirtation with donor compensation: Read More »



Phones But No Food

We’ve blogged before about the growing role of mobile phones in economic development; now the phones will be used to deliver food aid as well. Read More »



Why Does Driving Bring Out the Worst in People?

How is a car like the Internet?

A reader named William Mack writes in with an interesting observation and question. It echoes a conversation I recently had with a friend who had been on the receiving end of some road rage — in a New York City parking garage, of all places. The driver behind her simply couldn’t wait for her to pull in, so he rammed her. Read More »