- Rejected designs for the Eiffel Tower
- The effects of China's universal two-child policy
- What your political ideology tells about your ideal neighbourhood
- Kendra Levine has put together a superb collection of sources for transportation data and statistics. It's mostly focused on the US but there are some international resources too
- Historical maps of inequality in the US
- A Halloween hero
- Papers with shorter titles get more citations, apparently
- New research on human genomic variation refines previous models of historical human migration HT Marcelo Medeiros
125,000 years of human migration in 1 minute