Summary: Researchers at the Johns Hopkins Applied Physics Laboratory in Laurel have been playing in the sand again--that is to say, the sands of Mars. We talk with one of the researchers about what they've discovered about the moving sand dunes of the Martian landscape Then, Baltimore native Laurel Snyder talks about her novel for kids called "Bigger Than a Breadbox," about a girl who misses Charm City when her family moves away. Plus: When is it a good idea to seek counseling--and why is it difficult for some people to take that step? Tom Hall asks psychiatrist Mark Komrad of the Shepherd Pratt and Johns Hopkins Hospitals. It's the subject of his book "You Need Help."
