Why did our universe develop in such a way that we can exist? Is it by accident or design, and is that a question science can answer? In this hour of Science Friday host Ira Flatow talks with writer and cosmologist Paul Davies, about his theories on how the universe came to be just right for life.

Plus, a new Off-Broadway show tries to inspire conservation through poetry and science. We'll talk with biologist Roger Payne, known for his whale research, and actress Lisa Harrow. The two are married, and star in the new production 'Sea Change."

Call in with your questions and comments at 1-800-989-8255 (3-4 Eastern). Teachers, find more information about using Science Friday as a classroom resource in the Kids' Connection.

Video: Watch SeaChange

Guests:
Megan Halpern
Co-Founder/Artistic and Producing Director
Redshift Productions
New York, New York

Lisa Harrow
Award-winning Actress, currently starring in the New York premiere of "Phallacy" by Carl Djerassi
Author, "What Can I Do? An Alphabet for Living" (2004, Chelsea Green)
South Woodstock, Vermont

Roger Payne
Biologist
Founder/President
Ocean Alliance
South Woodstock, Vermont

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Paul Davies
Author, "Cosmic Jackpot: Why Our Universe is Just Right for Life" (Houghton Mifflin Company, 2007)
Director, Beyond Center for Fundamental Concepts in Science
Professor, Arizona State University
Tempe, Arizona

Books/Articles Discussed:

"What Can I Do? An Alphabet for Living" by Lisa Harrow. Chelsea Green, 2004.

"Cosmic Jackpot: Why Our Universe is Just Right for Life," by Paul Davies. Houghton Mifflin Company, 2007.

(find books discussed on previous broadcasts)

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This segment produced by Karin Vergoth and Annette Heist