@freckled Really wouldn't worry about the server too much. From what I can tell seem to be spread out across the fediverse anyway ;) Guess following is key.

Here's more mastodon.social/tags/chemistry

@freckled Recently came across this curated list, maybe it is of help?
github.com/nathanlesage/academ

Another idea could be to browse, for example, scicomm.xyz/public , follow like-minded people and check who they are following.

Wouldn't worry about the server, it's more about who you follow, fediverse seems in full growth-mode (rapidly changing) and this instance has some advantages ;)

Qoto Mastodon

QOTO: Question Others to Teach Ourselves
An inclusive, Academic Freedom, instance
All cultures welcome.
Hate speech and harassment strictly forbidden.