We check our phones upwards of 50 times per day -- but when our kids play around with them, we get nervous. Are screens ruining childhood? Not according to children's media expert Sara DeWitt. In a talk that may make you feel a bit less guilty about handing a tablet...

Social entrepreneur Julie Cordua works on a problem that isn't easy to talk about: the sexual abuse of children in images and videos on the internet. At Thorn, she's building technology to connect the dots between the tech industry, law enforcement and government --...

There are 168 hours in each week. How do we find time for what matters most? Time management expert Laura Vanderkam studies how busy people spend their lives, and she's discovered that many of us drastically overestimate our commitments each week, while...

On the web, a new "Friend" may be just a click away, but true connection is harder to find and express. Ze Frank presents a medley of zany Internet toys that require deep participation -- and reward it with something more nourishing. You're invited, if you promise...

"Secrets can take many forms -- they can be shocking, or silly, or soulful." Frank Warren, the founder of PostSecret.com, shares some of the half-million secrets that strangers have mailed him on postcards....

Doesn't it seem like a lot of online news sites have moved beyond reporting the news to openly inciting your outrage (and your page views)? News analyst Sally Kohn suggests — don't engage with news that looks like it just wants to make you mad. Instead, give your...

The feeling of security and the reality of security don't always match, says computer-security expert Bruce Schneier. In his talk, he explains why we spend billions addressing news story risks, like the "security theater" now playing at your local airport, while...

Feeling burned out? You may be spending too much time ruminating about your job, says psychologist Guy Winch. Learn how to stop worrying about tomorrow's tasks or stewing over office tensions with three simple techniques aimed at helping you truly relax and recharge...

We need humor like we need the air we breathe, says editorial cartoonist Patrick Chappatte. In a talk illustrated with highlights from a career spent skewering everything from dictators and ideologues to selfies and social media mobs, Chappatte makes a resounding,...

Refugee and immigrants rights attorney Melanie Nezer shares an urgently needed historical perspective on the crisis at the southern US border, showing how citizens can hold their governments accountable for protecting the vulnerable. "A country shows strength through...

Joan Blades and John Gable want you to make friends with people who vote differently than you do. A pair of political opposites, the two longtime pals know the value of engaging in honest conversations with people you don't immediately agree with. Join them as they...

Fake news can sway elections, tank economies and sow discord in everyday life. Data scientist Sinan Aral demystifies how and why it spreads so quickly -- citing one of the largest studies on misinformation -- and identifies five strategies to help us unweave the...