Sems.org has been running on a new server for the past two weeks. And I thought I have checked everything. But it turns out, old comments system and posting entries (which did not affect you readers) was not working. My apologies :), if you need to comment on an old post, feel free to do so now.
And while you are at it, let me know if you find anything I missed during the move. sems at sems dot org is my