Can Facebook Promote Safe Sex?
New research shows mixed results when high-risk teenagers are targeted with online public health initiatives.
American Voters: Plenty of Opinions, But Without a Clue
With a day to go until the presidential election, taking stock of just how (ill) informed American voters are.
The Hardest Conversation: Talking About Death
A troubling number of terminally ill cancer patients don’t understand that chemotherapy won’t cure them. How can oncologists talk so that patients will listen?
Stopping Stroke Before It Starts – With Ketchup
Stroke is becoming more common in younger Americans. Can tomato sauce help prevent it?
For Teens Online, Hundreds of ‘Friends’ and No One to Turn To
A tragic suicide underscores just how easy it is for teenagers to find trouble on the Web—and how hard it can be to escape the past.
How to Save a (Nigerien) Life
The Millennium Development Goals call for an ambitious reduction in child mortality by 2015. In West Africa, Niger is sweeping away the competition. What’s its secret?
The Wars That Really Ended All Wars
What happens when a premodern society swaps axes for semiautomatic weapons?
When Working Out Doesn’t Work
A Danish study reveals that, when it comes to working out and losing weight, unintended consequences can hamper even the best of intentions.
Veiled Doubts: New Data on Reasons to Say ‘I Don’t’
Doubts before “I do” can predict unhappy marriages and even divorce, but many brides walk down the aisle anyway.