Worth subscribing to
Love this podcast. All of the information you never knew that you needed to know. Very fun.
JoMcD01 via Apple Podcasts · Canada · 07/15/16
More reviews of Completely Optional Knowledge
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
Smart, geeky, and creative! A fun podcast that takes me far across the globe to hear quirky science tidbits from experts who love what they do. Light-hearted and funny, too.
diana64683 via Apple Podcasts · United States of America · 05/27/16
Really great podcast, quick to listen to. I really like how it challenges my preexisting ideas and initial reactions to the topic. Give it a listen even if you're not into Greenpeace - you'll get an expanded understanding of and appreciation for the world around us!
Jumi23 via Apple Podcasts · United States of America · 03/14/16
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