Epigenetics, revisited; new exciting studies (Introduction)
Octipi use mRNA modification to stay unfrozen:
http://the-scientist.com/2012/01/09/how-to-survive-freezing-waters/
http://news.sciencemag.org/sciencenow/2012/01/octopuses-rewrite-their-rna-to-b.html?ref=hp