Episode 31 of Books and Ideas was recorded live at Dragon*Con 2009 in Atlanta, Georgia. It is an interview with NASA's Les Johnson and focuses on his book, "Paradise Regained: The Regreening of Earth."

You will find show notes, links, and episode transcripts at http://booksandideas.com/.

Send Dr. Campbell email at gincampbell at mac dot com.

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This is a brief public service announcement from SCIENCEPODCASTERS.ORG. Vincent Rancaniello, PhD from This Week in Virology and Marc Pelletier, PhD from This Week in Biotech talk about the new H1N1 Infuenza vaccine.

It is safe and effective. I will get it myself and recommend it to all my patients.

Please share this announcement with others.

To learn more go to http://flu.gov or http://cdc.gov/h1n1.