Scott Alexander shares and responds to reader comments on his article about California's Central Valley, offering diverse perspectives on life and challenges in the region.

Scott investigates the claim that cold-related deaths account for 10% of global mortality, exploring various factors and potential impacts of global warming on death rates.

Scott Alexander discusses a genetic study that largely confirms historical American migration patterns described in 'Albion's Seed', noting both its confirmations and areas of confusion.

Scott Alexander cautions against drawing strong conclusions from regional scatterplots, demonstrating how apparent correlations can be artifacts of regional clustering rather than true relationships.