![Popular Science Radio show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/031/052/small/popular-science-radio.png)
Summary: While everyone is focused on Mars, Pluto, and the Moon, US Geological Survey Staff Scientist Dr. Kris Ludwig reminds us that our planet is still a very active, interesting place. Dr. Ludwig tells us about "The Great Shakeout," an earthquake and national disaster preparedness drill.