Fun with Ligercat: pubmed word clouds

I have been having enormous fun over the last hour playing with LigerCat.  I was searching for ways to build tag clouds for papers in Pubmed and this came up: LigerCat: Using “MeSH Clouds” from Journal, Article, or Gene Citations to Facilitate the Identification of Relevant Biomedical Literature.   And they have a web site to do searches: LigerCat Literature and Genomics Resource Catalogue

So, of course, like many others, the first thing I did was search for myself:

Eisen JA