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
Big Soda: Obesity and Diabetes
51 MIN, 58 SEC
Oct 10, 2014
Is the Global Economy Still Stuck in Recession?
52 MIN, 13 SEC
Oct 20, 2014
Fear of Ebola Spreads Faster Than the Virus
50 MIN, 38 SEC
Oct 13, 2014
The Voting Wars: Who's Winning? Who's Losing?
52 MIN, 7 SEC
Oct 14, 2014