Some psychologists believe phones and social media may be a key factor leading to the rapid increase in mental health issues troubling younger generations. A new book outlines the connections and suggests ways to alleviate the crisis.

The race is on in Silicon Valley to develop functioning and marketable neural interfaces. Is that goal within reach?

A closer look at human-powered automation and the hidden side of the digital economy.

Many of the rights we consider fundamental increasingly depend on the ability to go online. What would it take to provide access for all?