Sailing the Canyons of Titan

Steep canyons on Saturn's moon Titan are filled with liquid methane. That's the discovery just announced by an international team of Cassini scientists, including Alex Hayes. Emily Lakdawalla takes us up to Curiosity on Mars, while Bill Nye celebrates the US National Park Service. It's a Deep Space What's Up segment with Bruce Betts. Related links are at http://www.planetary.org/multimedia/planetary-radio/show/2016/0815-titan-canyons-hayes.html