This is SCIENCE FRIDAY, I'm Ira Flatow. Up next, discovering the universe inside your skull, and it is a universe. According to my next guest, a single cubic centimeter of brain tissue contains as many nerve connections as there are stars in the Milky Way - billions and billions just in a tiny bit of your brain. Never mind the other three pounds of brain matter. It's a vast world inside our skulls, and much of it operates without us really knowing or thinking much about it or even understanding it.
Families wait for hours to register at the Yida refugee camp in South Sudan along the northern border in early July. Within a few weeks, the population of the camp more than doubled, leading to shortages of food, water and medicine.
Credit Paula Bronstein / Getty Images
White tents scatter across the Yida refugee camp along northern border of South Sudan on June 29. The international aid community is struggling to provide food and medical supplies to the families after heavy rains blocked roads to the camp.
Between mass tourism and the Internet, it's never been easier to learn about other cultures. Yet we often stay on the surface. Watching the Olympics opening ceremony a few weeks ago, I was struck by how much of what was presented as quintessential Britishness came from pop culture — James Bond and Mary Poppins and the chorus to "Hey Jude." Although Britain had a global empire not that long ago, the show's director, Danny Boyle, grasped that the world's image of his green and pleasant land now largely derives from movies and songs.
This panorama, taken about 10 miles west of Flagstaff, Ariz., shows a nearly 360-degree view of forest land. The trees on the left side of the road have been thinned by foresters; the stand on the right has been left untouched.
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One of the first activities of the new school year at the University of Alabama is Hands On Tuscaloosa, a morning of community service. On Sat., Aug. 25, students can choose to refurbish a neighborhood baseball diamond, clean-up a local high school, create a carnival or do something else worthwhile.
This is TELL ME MORE, from NPR News. I'm Viviana Hurtado. Michel Martin is away. Now it's time for the weekly visit to the Barbershop. That's where the guys talk about what's in the news and what's on their minds.
It's MORNING EDITION, from NPR News. I'm Steve Inskeep.
Today's shooting in New York City draws special attention because of the location: at the base of the Empire State Building, perhaps the most famous building in New York, one of the most famous buildings in the world. The gunman opened fire there. Several people were shot and wounded. We're getting conflicting accounts of how many, although news photographs from the scene do show a number of people down on the ground.
This interview was originally broadcast on May 31, 2011. David Eagleman's Incognito is now out in paperback.
Your brain doesn't like to keep secrets. Studies at the University of Texas, Austin, have shown that writing down secrets in a journal or telling a doctor your secrets actually decreases the level of stress hormones in your body. Keeping a secret, meanwhile, does the opposite.