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Pope Francis' social media feeds have blossomed while he's been pontiff, allowing followers to access his messages via Twitter, YouTube and also an app on their smartphones.

Fingerprints, facial and voice recognition — companies are investing in more secure methods to verify people. But even biometrics can be defeated, and they raise privacy concerns.

A San Diego woman who paid $99 to have her genes analyzed by 23andMe wants her money back. And she thinks thousands of other customers will too. Just days after the FDA ordered 23andMe to stop selling its products, the company now faces a class action lawsuit.

A Harvard faculty member argues in his new book that averages tell us nothing useful about individuals. That has big implications for schools.

A Harvard faculty member argues in his new book that averages tell us nothing useful about individuals. That has big implications for schools.

Airs Friday, September 18, 2015 at 10 p.m. on KPBS TV

Researchers found armchair socialists – and their right-wing counterparts were more physically active than centrists. Another tongue-in-cheek study in the journal concluded that men are idiots.

The president took a stand on net neutrality this week, saying the idea that traffic is treated equally should be protected like a public utility. Critics called it "Obamacare for the Internet."

The Consumer Electronics Show has wrapped up its showcase of the latest in high-tech gizmos. But according to a survey from Fortune magazine, many Americans have a simpler wish: longer battery life.

Maggie Espinosa visited all of California's 21 missions by foot. She is one of 11 people in modern times to complete the 800-mile journey from San Diego to Sonoma County.