- How Many People Have Ever Lived on Earth? (via @blqueiroz)
- Openly available datasets about Amazon
- The 25 Least Visited Countries in the World (via Drunkeynesian)
- The Flynn effect vs. population aging (via MR)
- 3D Mapping in R
- An advice for young researchers
- Human Development Index of Mexico municipalities
- An excellent discussion on the The Challenge of Ageing (and a related essay competition)
- Length of the average dissertation (via Flowing Data)
- What if we replaced the moon with Jupiter or Saturn?
- Population density in select cities around the world