Leap Motion waves goodbye – TechCrunch

The Daily Crunch is TechCrunch’s roundup of our biggest and most important stories. If you’d like to get this delivered to your inbox every day at around 9am Pacific, you can subscribe here. 1. Once poised to kill the mouse and keyboard, Leap Motion plays its final...

Did Cellphones Bring Down Crime Rates in the ’90s?

That paper led the Harvard sociologist Robert Sampson to joke with me, “This seems to be the month for economists overclaiming on crime.” (Levitt did not respond to my request for an interview.)Several people whom I asked to review Edlund and Machado’s paper thought...