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Social media took a lot of blame for intensifying polarization and partisan acrimony during the presidential campaign. Now some startups and researchers are trying to burst ideological filter bubbles.

School administrators increasingly have the power to track students' Web browsing on school-issued laptops, even when the students are at home. The implications are complicated.

Your online habits leave a constant digital trail. What does it say about the real you? I gave the world's most famous computer keys to my online life to see what it could tell me, about me.

Twitch broadcasts gamers to huge audiences around the world, and it boasts big potential when it comes to advertising dollars. Amazon CEO Jeff Bezos calls watching gameplay "a global phenomenon."

They'll be on the road by 2021, the company says, and will build on automation already available for help with parking and avoiding traffic. The vehicles could be used for ride sharing, Uber-style.

Airs Saturday, Jan. 16, 2016 at 2:30 p.m. on KPBS TV

The roommates set out to climb a Bolivian mountain and find the black box from a plane crash more than 31 years ago. They succeeded where others had failed, but questions remain.

Google, Intel and others say they will now financially support the open-source software that encrypts much of the traffic on the Internet. The effort follows the discovery of a key security flaw.

Lawyers for Washington state and Minnesota are telling a federal appeals court that restoring President Donald Trump's ban on refugees and travelers from seven predominantly Muslim countries would "unleash chaos again."

Fast-growing cities are often riddled with violence, drug trafficking and unemployment. Security researcher Robert Muggah explains how some cities are using new approaches to address these problems.