Economy Jan 03

Stocks take a beating after Apple reports iPhone sales slip

The rare warning of disappointing results from Apple stoked investors' fears that the world's second-biggest economy is losing steam and that trade tensions between Washington and Beijing are making things worse. The Dow Jones Industrial Average plunged 660 points.

Nation Aug 07

Watch 8:05
Are smartphones making a generation unhappy?

The promise of social media is instant human connection. But for many teens, greater use of social media mans a far greater sense of isolation, according to an increasing body of evidence. William Brangham speaks with Jean Twenge, author of…

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