Curiosity Sampling System Scientist, Jet Propulsion Laboratory
With the first use of its drill and delivery of samples to its internal instruments, Curiosity is now a fully-functioning science station on Mars. JPL Sampling System Scientist Luther Beegle provides an update. Emily Lakdawalla is a Twitter true believer. She shows us why with a wide-ranging discussion about meteor showers on Titan. Bruce Betts says Mat Kaplan will just miss a comet when he travels to the Southern Hemisphere this week, but there's a treat in store for northern viewers. Bill Nye is away.