Here is a list of other interesting blogs or webpages of some other scientists and the topics they are talking about:
Dr. Sabine Hossenfelder
Quantum Gravity, Phenomenology of Quantum Gravity
http://backreaction.blogspot.co.uk/
Prof. Dr. Domenico Giulini
Relativity, Quantum Gravity and Mathematical Physics
http://www.itp.uni-hannover.de/~giulini/
Michael Nielsen
Quantum Information and Open Science
http://michaelnielsen.org/blog/michael-a-nielsen/