I'll cut to the chase: although we've worked hard at scientific and economic reasons, the cultural reasons for the persistence of malaria are the real challenges. The awkward part is that in the most malaria-infected places of the world, malaria is perceived as nothing more than a common cold. Shah proposes that we attack the disease according to the priorities of people who live with it. It's a good approach, but when something as simple as a bed net can prevent so many deaths, though, I think behavior change is not an inappropriate goal.
2. American inequality is mind-blowing. I also missed the chance to join the Applied Economics department in seeing this.
The third link about MOOCs is actually becoming its own post... stay tuned.
Hat tip: PC & CSC