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Airs Friday, Feb. 23, 2018 at 11 p.m. on KPBS TV

When he invented the Web 28 years ago, Tim Berners-Lee saw it as a way to break apart silos and connect the world. Now he's increasingly troubled about its dark side, but he believes it can be fixed.

Airs Friday, Feb. 9, 2018 at 11 p.m. on KPBS TV

Airs Friday, Feb. 2, 2018 at 11 p.m. on KPBS TV

The Internet pioneer Yahoo just had its core business auctioned off to Verizon. Mayer was hired four years ago to turn the company around. We look back at the critical early months of her tenure.

The U.K.'s Oxford Internet Institute has put together an interesting illustration of the most popular websites around the world. Not surprising, Google and Facebook dominate the globe.

Maybe you've heard that world hunger is at crisis levels — and climate change is largely to blame. A new book argues otherwise.

Maybe you've heard that world hunger is at crisis levels — and climate change is largely to blame. A new book argues otherwise.

A severe flaw in Android, the world's most popular smartphone operating system, would let hackers take over with just a text message.

Infrared thermal cameras have revolutionized the way rangers can see into the dark. But sometimes, experience trumps technology.