Episode #072: Precession. Of Course.8 years ago

134:37

Episode #073: Missing 4118 years ago

132:30

Episode #074: More Missing 4118 years ago

122:17

Episode #075: Greenland Crater - What Does It Mean8 years ago

122:20

Episode #076: Clint Beckham - Round II8 years ago

128:17

Episode #077: Solving Alchemical Mysteries8 years ago

144:22

Episode #078: George Howard8 years ago

155:54

Episode #079: Walter Bosley on Sir Richard F. Burton8 years ago

151:23

Episode #080: Impossiblocks8 years ago

127:33

Episode #081: Malta8 years ago

137:16

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