Which is more dangerous, a gun or a swimming pool? What do schoolteachers and sumo wrestlers have in common? Why do drug dealers still live with their moms? How much do parents really matter? What kind of impact did Roe v. Wade have on violent crime? These may not sound like typical questions for an economist to ask--but Levitt is not a typical economist. He studies the stuff and riddles of everyday life--from cheating and crime to sports and child...

In celebration of the 10th anniversary of the landmark book Freakonomics comes this curated collection from the most readable economics blog in the universe. When Freakonomics was first published, the authors started a blog—and they've kept it up. The writing is more casual, more personal, even more outlandish than in their books. Now they've gone through and picked the best of the best. Here, they ask a host of typically off-center questions: Why...