Man has this month been busy!  As reward a paper I coauthored sees the light of day. The elevator pitch of the story?

A key event in the Earth’s history, the first appearance of life, is not recognized as a major time boundary. This has lead to numerous scientific inaccuracies and inefficiencies.  In the paper we propose that in recognition of the importance of life in the Earth’s history and the efficiency to divide the geological time scale into two informal supereons: Pregeozoic (the abiotic supereon) and Geozoic (the biotic supereon).

O’ yes I just helped name a new supereon.