Presentations on the emergence of life elsewhere, including "What Makes a Planet Come to Life? Lessons from Venus, Earth and Mars" and "Extraterrestrial Life and Origins of Life: Historical and Philosophical Issues." Part of a day-long symposium on the origins of life, how we came to know it, and what it means. Speaker Biography: David Grinspoon is a scientist and was inaugural Baruch S. Blumberg NASA/Library of Congress Chair in Astrobiology. Speaker Biography: Steven Dick is an astronomer, historian of science and second Baruch S. Blumberg NASA/Library of Congress Chair in Astrobiology. Speaker Biography: Bill Mesler is an author, journalist and science writer. For transcript and more information, visit www.loc.gov/today/cyberlc/feature_wdesc.php?rec=7724