The Nextdoor App Is Making My Neighborhood Safer

My neighborhood is experiencing a crime wave. Just on my block in the last week, several packages were stolen from doorsteps and tires have been slashed on at least two cars. I found all of this out from an app that's quickly becoming our neighborhood's best security system. "I heard it from Fred two doors down" is… » 3/27/15 12:00pm Friday 12:00pm

The Problem With Those DNA-Based Mugshots

A little less than a year ago, researchers announced a new technique that used DNA analysis to recreate the image of a person's face. It was a stunning idea—but a new a New York Times report reveals that there's more than one big problem with the scifi promise of DNA-based mugshots. » 2/24/15 12:45pm 2/24/15 12:45pm