How can we take what we learn in educational RCTs and apply it at scale to many schools, maybe in many countries? Adrienne Lucas talks to Tim Phillips about the project she was part of to improve learning in Ghana, the difference between small- and large-scale trials, and the challenge of...

In high-income countries, we take a reliable electricity supply for granted. But in parts of the world where that reliable electricity supply isn’t available, what is the effect of frequent power outages on employment? Justice Tei Mensah of The World Bank tells Tim Phillips about how power cuts...