It has been a long day. Up since 3:45 am (yeah, it isn't a typo). And that is in eastern time. So it has been close to 21 hours since I had a proper sleep (not counting the dozing off on the flight). However, I still didn't arrive at the meeting until about 4:30. Just in time for registration, but too late for most of the excitements of the first day. Except, of course, the mixer. And the Cryo-EM subgroup session. I was pretty much an outsider in the subgroup: Cryo-EM is not my area of ...