Centrifuging a blood sample without electricity is child’s play to a team of Stanford engineers. The researchers were inspired by a toy and developed paperfuge, a low-cost and low-tech centrifuge that could help diagnose diseases such as malaria and HIV in developing countries.

Nighttime lights reveal a lot about us: where we live, how many of us live in one spot and now where serious illnesses are most likely to occur and break out. Namely, there is a large connection between migrating people, brightly-lit cities and seasonal outbreaks of the measles. As part of our RESET Special 'Drones and Satellites for Good', we take a look at how serious diseases can be detected using satellite imagery.