Teens generally get more than 200 alerts on their phones each day, according to a new report from Common Sense Media that studied how teens use their phones — with some getting more than 4,000.

Craigslist transactions. Uber rides. Airbnb accommodations. We regularly trust strangers. But do we trust them more than people we know, or think we know, such as neighbors, politicians, coworkers or ...

A visual four-choice quiz game that challenges you with all kinds of common-sense questions — the kind that any “ordinary person” should be able to answer! It’s easy to play： Read the question ...

Mayank Kejriwal receives funding from DARPA. Imagine you’re having friends over for lunch and plan to order a pepperoni pizza. You recall Amy mentioning that Susie had stopped eating meat. You try ...