The world is 4 million teachers short. Here's how to solve that.

When you don't have enough teachers in a town, state, or country, what do you do? Find and train a person, one expert says, “who’s really committed, and has a sense of caring, a sense of conviction to impart knowledge. If they have certain basic knowledge in terms of the content, I think we can give them the skills to make them" effective teachers.


Mozambique's life-saving surgeons aren't doctors at all


What do you do when there are only about 20 practicing surgeons for an entire country? Mozambique decided to train non-physicians to do surgery, giving rise to a class of medical workers called tecnicos who do almost all of the country's operations.