Episode Name: The Big Gun/Lang Lang/A Dog's Nose
Episode Overview: "The Big Gun" examines the .50-caliber rifle and whether it poses a greater danger than other rifles. "Lang Lang" profiles the Chinese piano prodigy. "A Dog's Nose" looks at how researchers are training dogs to smell cancer. "Andy Rooney" talks about the annoyance of cell phones.
Episode Number: 16
Episode Season: 37
Episode First Aired: 2005-01-09