The Periodic Table of Videos text xx 9999 monographic und
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The Periodic Table of Videos is a collaboration between the University of Nottingham's School of Chemistry and video journalist Brady Haran. They initially made videos about all 118 elements. Tables charting the chemical elements have been around since the 19th century... Science http://topdocumentaryfilms.com/periodic-table-of-videos/ http://topdocumentaryfilms.com/periodic-table-of-videos/ 170517