You've heard the expression Bright Lights, Big City. For many people, city living can mean long hours at work and play and never enough sleep. Now a new study suggests that cities can have a very similar effect on another group of residents: birds. NPR's Rhitu Chatterjee reports.
RHITU CHATTERJEE, BYLINE: Since the 1930s, scientists have noticed that birds in cities, like robins and starlings, can keep different hours than their relatives in forests. Barbara Helm is a biologist at the University of Glasgow.
In Sanford, Florida, jury selection begins today in the murder trial of George Zimmerman. The neighborhood watch volunteer is charged with the shooting death of a 17-year-old, Trayvon Martin, last year. Police, at first, declined to charge Zimmerman because of Florida's Stand-Your-Ground law. It gives immunity to people who use deadly force in self defense.
The Guardian has identified its source for a series of reports it published in recent days on secret U.S. surveillance activity. The paper says the source is Edward Snowden, a former technical assistant for the CIA who now works for a private-sector defense and technology consulting firm.