May 15, 2013
Calla talks with Roger Wiens about NASA's successful and not-so-successful missions, including the recent Curiosity rover.
Listening to the Earth
May 08, 2013
Listening to various waves in the Earth can reveal the source and power of truck bombs, nuclear explosions, and natural disasters.
Read more on this podcast's blog post
Super Sticky Gecko Adhesive
May 01, 2013
A material inspired by gecko toe pads might be the ideal
household adhesive: it can support hundreds of pounds but peels off
Geothermal Heat Pump
January 02, 2013
A more efficient geothermal pump taps the Earth's heat to lower utility bills by up to 80 percent