For years, U.S. policy toward North Korea has been going on the premise that economic sanctions could deter North Korea from developing nuclear weapons. Host Scott Simon talks with David Kang, professor of international relations and business at the University of Southern California, about the state of the North Korean economy.
Pakistan's top female squash player used to have to pretend that she was as boy. Maria Toorpakai is now 22 years old. She was born in Waziristan, that region of the country that's been called one of the most dangerous places on Earth, and home of the Pakistani Taliban. They did not like a girl running around in shorts, playing squash.
On Monday, thousands of children will descend on the White House lawn for the annual Easter Egg Roll. They'll walk away with keepsakes: painted wooden Easter eggs made at a small mill in rural Maine.
Drive through Buckfield, home to about 2,000 people in inland western Maine, and you'll see the markers of a typical small town: a library, a general store and a closed business — in this case, a shuttered theater.
The Sonoran Desert, which spans some 100,000 square miles in southwestern North America, is one of the most diverse desert ecosystems in the world. Host Ira Flatow and guests discuss some lesser known desert creatures, and explore the secret life of that American southwest icon, the saguaro cactus.
When does a story about science become science fiction? Cosmologist Lawrence Krauss and theoretical physicist Brian Greene discuss how to spin a yarn about string theory or the Big Bang, without hyping the science. And novelist Ian McEwan, whose books touch on neurosurgery and quantum field theory, talks about what science offers to fiction.
You're listening to SCIENCE FRIDAY. I'm Ira Flatow. And for the rest of the hour we're going to talk about collisions, space collisions, space impacts, with Erik Asphaug, who's Ronald Greeley chair of planetary geology, School of Earth and Space Exploration at Arizona State University. Welcome to SCIENCE FRIDAY.
ERIK ASPHAUG: Thanks very much, Ira.
FLATOW: You must be very busy since this last collision in Russia of this asteroid.