Views : 239,876
Genre: Science & Technology
Date of upload: May 13, 2019 ^^
Rating : 4.904 (196/7,969 LTDR)
RYD date created : 2022-04-08T23:46:29.338444Z
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@BobStein
5 years ago
What a treat to listen to a very knowledgeable person with excellent communication skills. More of that, mankind.
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