Youtube activity of "Christopher Bruns" (@user-td4pf6rr2t) on "Science Time" channel.
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UC_MxKIrUGiZ7hN6pP-zj9fQ
Commenter youtube id
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Christopher Bruns
Commenter name
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@user-td4pf6rr2t
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"Brian Cox - What Was There Before The Big Bang?"
Comments by video