A Biologist and a Chemist Confer on the Recipe for Life - POSTPONED

Earth was once a molten ball totally uninhabitable.  In a geological instant, it was filled with life. What do we know about this fantastic transformation?  And could there be more than one recipe for the transition from life to non-life? Share the lively (*ahem*) search for answers with NASA astrobiologist Lynn Rothschild and Stanford chemist Richard Zare.