Submitted by Patricia B. O'Hara on Saturday, 3/5/2011, at 2:33 PM

It is me, POH.  I'm here in not-so-sunny Baltimore and looking forward to four days of scientific talks.  I hope to blog for you the most interesting ones and let you know what's new in this world, and what it's like to be at a conference with 5,000 other scientists.