Could the microbes that inhabit our guts help explain that old idea of "gut feelings?" There's growing evidence that gut bacteria really might influence our minds.
"I'm always by profession a skeptic," says Dr. Emeran Mayer, a professor of medicine and psychiatry at the University of California, Los Angeles. "But I do believe that our gut microbes affect what goes on in our brains."
Several states are trying to do something about so-called hyperpartisanship by changing the way congressional districts are drawn and the way elections are held.
Their goal: force members of Congress to pay more attention to general election voters than to their base voters on the right or left.
John Fortier, the director of the Democracy Project at the Bipartisan Policy Center, which is working on ways to make politics less dysfunctional, says U.S. political parties have become more polarized.
In the late 90s, before Dave Eggers wrote a bestselling memoir (A Heartbreaking Work of Staggering Genius), before he penned the screenplay for Where the Wild Things Are, before any of his novels, he was a young guy sitting in his kitchen tearing open envelopes filled with literary submissions.
The White House has been fighting to prevent the disastrous rollout of the health care law from defining President Obama's second term. While that struggle continues, another story is unfolding this week that could shape this president's legacy.
Diplomats from the U.S. and other countries are going to meet for a second round of negotiations on Iran's nuclear program, and a breakthrough there could shape history's view of Obama.