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 the American Dream out of Reach for Our Poor Kids?
52 MIN, 26 SEC
Mar 18, 2015
Jessica's Law and the Civil Rights of Sex Offenders
26 MIN, 2 SEC
Mar 30, 2015
Should College Athletes Be Paid?
52 MIN, 5 SEC
Mar 27, 2015
Coal, Clean Air and Presidential Power
51 MIN, 39 SEC
Mar 25, 2015