- Using cellphonedata to map population mobility in the Ebola epidemic
- A race between the world's fastest elevators
- A waterfall flowing in the `wrong` direction
- Is low fertility really a problem? Population aging, dependency, and consumption. (via Bernardo Queiroz)
- Chinese ghost cities: between 2008 and 2012, the total urban area of cities in China expanded by 9,700km, which is the equivalent of 50 cities the size of Wenzhou (via PD Smith)
- How to code a cat (nerd alert)
- 8,000 glowing balloons trace the Berlin Wall to mark 25 years since its fall (via Gabriella Nunes)
[image credit: kulturprojekte berlin_2014 WEW FU berlin IGB]