This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: The Discovery Communications logo atop its headquarters in Silver Spring, Md, July 31, 2017. Credit: AP Photo/Manuel Balce Ceneta, File Warner Bros. Discovery will calve off cable operations from its streaming service, creating two independent companies as the number of people "cutting the cord" brings with it a sustained upheav ...