Welcome to the world’s tallest slum: poverty-ridden Venezuela’s Tower of David. Squatters took over this very unfinished 45-story skyscraper in the early 1990s, and they’ve been there ever since. The tower was originally intended to be a symbol of Caracas’ bright financial future, complete with a rooftop helipad, but construction stopped because of a banking crisis and the sudden death of the tower’s namesake, David Brillembourg.

• Rich People Are Full of Different Chemicals Than Poor People: People from higher socioeconomic status showed higher levels of mercury, arsenic and benzophenone-3. Researchers think that the first two come from higher consumption of shellfish and seafood, whereas the benzophenone-3 likely comes from sunscreen. The chemical profiles of people from lower socioeconomic status are completely different. Their bodies are full of lead, cadmium and different types of plastics. These chemicals could come from cigarette smoke but likely come from poor diet.
• A Guide to South African EDM: It may have taken outrageous Zef rappers Ninja and Yo-landi Vi$$er of Die Antwoord to first make the world sit up and take notice, but more and more South African music is making its way into international ears – and, as it turns out, their EDM scene is blowing up at the moment, too, particularly in Cape Town.
• Second Reality: Source code and data of Second Reality by Future Crew in 1993. This release is made to celebrate the 20th anniversary of the demo.