Awesome podcast for the sci-curious!
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“I'm loving this new podcast from Greenpeace! Very fun and informative - keep up the great work!”
Jillian H. P. via Apple Podcasts ·
United States of America ·
09/30/15
More reviews of Completely Optional Knowledge
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“Quirky questions are investigated. Usually with some good laughs thrown in.”
Maple eyedoc via Apple Podcasts ·
Canada ·
02/22/17
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“You learn stuff with this podcast. Stuff you can use with friends and you sound smart.”
Nicenice9 via Apple Podcasts ·
United States of America ·
06/03/18
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“I have fallen in love with Completely Optional Knowledge.”
Mica Charlotte via Apple Podcasts ·
United States of America ·
05/13/16
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