CSotD: Examining the Fossil Record, Twice
This one is personal: Brewster Rockit has been riffing on the recent discovery of a 3.7 billion year old bacterium.The discovery was not of an actual 3.7 billion year old bacterium itself, but of its fossil, or, to be even more accurate, the discovery of a bed of such fossils, in the recently-exposed rocks of Greenland.I […]