Thursday, January 03, 2013

Razib Khan on The Fall of Rome

Razib Khan has a graph showing the rise of lead levels in Greenland ice cores around the year 1000AD as demonstrating a devolution from the Iron Age to lead-based technologies. I commented on his piece and find him challenging and insightful on a number of topics---Gene Expression was one of my favorite sites until it was folded into Discover Magazine in 2009. [AD!]

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