Scientist, Jet Propulsion Laboratory
Scientist at the Jet Propulsion Laboratory who is heading the Martian soil analysis team with the Phoenix lander mission
Clumpy Soil on Mars, What's a Lander to Do?
8 MIN, 24 SEC
Jun 10, 2008
Is Government the Problem or the Solution?
52 MIN, 14 SEC
Apr 08, 2016
Undocumented Parents and Power of the Presidency
52 MIN, 28 SEC
Apr 18, 2016
Will Britain Stay in the European Union?
52 MIN, 34 SEC
Apr 13, 2016
Will Southern Floods Force Republicans to Accept Climate Change?
52 MIN, 31 SEC
Apr 21, 2016