An article which explains the origin of the LZ → X2 rule has been added to the Teaching Materials section.
Polly L. Arnold of the University of Edinburgh has joined the CBC Advisory Board
Professor Nilay Hazari of Yale University has joined the CBC Advisory Board
Professor John Bercaw of the California Institute of Technology has accepted to join the Advisory board
Professor Daniel of the University of North Carolina has joined the CBC Advisory board.
Professor Pete Wolczanskii of Cornell University has joined the CBC Advisory board