Ben Bernanke steps down this week as chairman of the Federal Reserve. The new chair, Janet Yellen, will take over on Saturday. After a two-day meeting, the message today from Fed policymakers was simple: Stay the course. The Fed released a statement saying it will continue dialing-back its stimulus.
NPR's John Ydstie has more on that decision and Bernanke's legacy.
Traffic is snarled along the I-285 perimeter north of Atlanta's metro area Wednesday. Georgia Gov. Nathan Deal has called Tuesday's snow storm "unexpected" — prompting a response from weather forecasters.
Neanderthals died out long ago, but their genes live on in us. Scientists studying human chromosomes say they've discovered a surprising amount of Neanderthal DNA in our genes. And these aren't just random fragments; they help shape what we look like today, including our hair and skin.
These genes crept into our DNA tens of thousands of years ago, during occasional sexual encounters between Neanderthals and human ancestors who lived in Europe at the time. They show up today in their descendants, people of European and Asian descent.