I raised a few questions about those 3.4 billion year old bacterial fossils, primarily that I was bugged by the large size and that they cited a discredited source to say that they were in the appropriate range of diameters for bacteria. Now my questions have been answered by Chris Nedin, and I'm satisfied. In particular, he shows data from 0.8 and 1.9 billion year old fossils in which the bacterial sizes are in the same range. It's also a good review of the other evidence used to infer that they actually are bacterial microfossils.
(Also on FtB)
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[From the archives; originally posted November 16, 2005]
Bacteria can cause other epidemics, why not obesity? Is there a relationship between our body weight and our bacterial inhabitants?
In the light of recently discovered possible chicanery on the part of Mark Geier and his dubious IRB, I found this report by John Leavitt very interesting:
One of the thing we need to pay attention to during TEH SWINEY FLOO!