>>12740318There are forums for students and academics, sometimes on social media, with much better quality, but they are attached to universities and do not have any anonymity.
There is the pseudoanonymity of science focused social media groups on reddit, discord and BBS-style webforums, but they all have either autistic larpers for mods or less than about 40 users.
If you want almost-perfect pseudoanonymity, it's just chan sites. Other numbered chans are probably worse than this where sci is concerned