The Lytro Illum camera system allows refocusing of a photo after it's taken. It's faster guts and more professional design make the camera more attractive—and pricier—than its predecessor. Larry Greenemeier reports

Graham Farmelo is the award-winning author of the Dirac biography The Strangest Man. His latest book is Churchill’s Bomb: How the United States Overtook Britain in the First Nuclear Arms Race

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Graham Farmelo is the award-winning author of the Dirac biography The Strangest Man. His latest book is Churchill’s Bomb: How the United States Overtook Britain in the First Nuclear Arms Race

Learn more about your ad choices. Visit megaphone.fm/adchoices

The U.S. Supreme Court will decide whether Aereo can keep streaming live broadcast TV to mobile gadgets and other devices. Larry Greenemeier reports

A custom-designed video game that frustrated players left them at least as aggressive after playing as did other games famous for their violence. Larry Greenemeier reports

Baseball's expanded review system excludes ball and strike calls, which a study finds to be biased in favor of star players, especially late in games. Larry Greenemeier reports

The era of antisocial networking has begun with the development of apps such as Cloak, which identifies locations of your contacts so you don't have to see them. Larry Greenemeier reports

Smith College economics professor Andrew Zimbalist talks about his latest book, The Sabermetric Revolution: Assessing the Growth of Analytics in Baseball (co-authored with Benjamin Baumer), at the Bergino Baseball Clubhouse, with proprietor Jay Goldberg

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Researchers are developing adapters that let smartphones take high-quality images of the eye that could be used to remotely screen patients for eye conditions or disease. Larry Greenemeier reports

A consortium including Facebook and Qualcomm wants to launch solar-powered atmospheric satellite drones that can carry equipment for relaying wireless networks in remote areas that currently have no Internet connections. Larry Greenemeier reports