https://www.youtube.com/watch?v=-kQXy9GZMuc&t=376s

   

Brian Green's miniseries is a must watch. He goes into a great deal of detail on the consequences of string theory. But it is a bit dated. It doesn't show any of the recent advances, such as the Chandra data that is mentioned in the OP.

https://www.pbs.org/wgbh/nova/series/th ... -universe/