Ever wonder why some people can run a 50-mile ultramarathon while for others even the thought of such endurance sports borders on torture?
Exceptional physical fitness, of course, sets the ultramarathoners apart from the rest of us. But scientists say what might be more important is athletes' excellent ability — both psychologically and physically — to cope with pain.
It turns out that most athletes' high tolerance for pain while exercising may also help them deal with it when they're at rest.
Facebook hopes to raise more than $100 billion in its initial public stock offering. In a piece at Slate.com, tech columnist Farhad Manjoo warns that Facebook users can expect to see changes, including lots more ads. But he warns the company must balance profit seeking with the desires of users.
This is TALK OF THE NATION. I'm Neal Conan in Washington. New elections are now set for June 17 after a failure to form a government in Athens earlier this week, but some worry that Greece might be out of the eurozone before votes can be cast. While the great majority of Greeks say they want to keep the euro, opinions polls also show anti-austerity sentiment rising.