RD Extra: Carl Sagan Day 2010
Published December 23, 2010
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    This extra was recorded at the Carl Sagan Day 2010 celebration hosted by the CFI On Campus group at Grand Valley State University. Doubtcasters Luke Galen and Jeremy Beahan share their respect for Carl Sagan with two short presentations. Luke talks about Sagan's "baloney detection kit" and Jeremy shares his favorite passages from Sagan's 1985 Gifford lecture series on natural theology.
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