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Data we voluntarily provide online — such as on dating websites — may not stay with that site. While not always obvious, websites commonly allow other companies to track user behavior.

Stop feeling guilty about what you didn't do over the holidays, and take some of these suggestions for reading, watching and listening. You'll feel better, really.

Airs Tuesday, June 14, 2016 at 11 p.m. on KPBS TV

In crowded settings, neighbors' Wi-Fi networks can interfere with each other and slow down Internet connections. Northwestern University researchers find an unexpected traffic cop: FM radio.

Using software developed at UC San Diego, Audi is developing an autopilot system for your car.

Google has released a stunning cache of satellite images that show how the globe has changed in recent decades. Thursday's announcement came from the search giant's official blog:

Users of an app developed by the University of Michigan to help with jet lag entered information on their time zone and sleep patterns that helped academics with their work. But is the approach valid?

Apple, Google, Microsoft and a broad coalition of major tech companies are making a loud call for greater government disclosure of digital communications monitoring.

A recent study reviewed places in Chicago that appeared to be undergoing gentrification two decades ago, and found that the process had slowed or stopped for those that were at least 40 percent black.

In the video, Alton Sterling is on the ground when one of the officers kneeling over him yells "He's got a gun!" Then at least one officer draws a weapon from his holster. The FBI is investigating.