Episode #072: Precession. Of Course.7 years ago

134:37

Episode #073: Missing 4117 years ago

132:30

Episode #074: More Missing 4117 years ago

122:17

Episode #075: Greenland Crater - What Does It Mean7 years ago

122:20

Episode #076: Clint Beckham - Round II7 years ago

128:17

Episode #077: Solving Alchemical Mysteries7 years ago

144:22

Episode #078: George Howard7 years ago

155:54

Episode #079: Walter Bosley on Sir Richard F. Burton7 years ago

151:23

Episode #080: Impossiblocks7 years ago

127:33

Episode #081: Malta7 years ago

137:16

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