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Completely Optional Knowledge
Reviews
Fun, interesting and great
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Enjoyable to listen to, this podcast supplies all my fun random facts to share with friends. Love everything these guys are doing!
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Jb87642 via Apple Podcasts · United States of America · 06/27/16
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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!
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Jillian H. P. via Apple Podcasts · United States of America · 09/30/15
Cannot get enough
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I have fallen in love with Completely Optional Knowledge.
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Mica Charlotte via Apple Podcasts · United States of America · 05/13/16
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