Two others that come to mind:
Metaculus (used to be better though)
lobste.rs (quite specialized)
Quanta Magazine has some good comments, e.g. this article has the original researcher showing up & clarifying some questions in the comments
Two others that come to mind:
Metaculus (used to be better though)
lobste.rs (quite specialized)
Quanta Magazine has some good comments, e.g. this article has the original researcher showing up & clarifying some questions in the comments