Here's (the two biggest parts of) the firehose. Have a long drink. React with curiosity to all of them:
https://arxiv.org/list/astro-ph.CO/recent
https://arxiv.org/list/gr-qc/recent
> I wish she would ... actually dig into it a little!
You don't have to just wish.
https://backreaction.blogspot.com/p/talk-to-physicist_27.htm...