A Yellowstone supervolcano may blow sooner than thought and could wipe out life on the planet. National Geographic Senior Science Editor Victoria Jaggard joins us. Her latest story on this can be found at NationalGeographic.com.
A Yellowstone supervolcano may blow sooner than thought and could wipe out life on the planet. National Geographic Senior Science Editor Victoria Jaggard joins us. Her latest story on this can be found at NationalGeographic.com.