You may remember that a while ago I blogged about a research group that found a way to produce biogas reactor using the content of a stomachs cow . One of the questions, I had back then was what kinds of bacteria were in the cow's stomach fluids? Today, we'll look at a massive Science article from January 28 with the title "Metagenomic Discovery of Biomass-Degrading Genes and Genomes from Cow Rumen" from the Rubin Lab with Matthias Hess and Alexander Sczyrba as the primary authors recently hit the science world, and gives us that answer.