Economist Esther Duflo gives a presentation at PopTech 2009 in Camden, Maine. Duflo is one of three winners of this year’s Nobel Prize in economics.
(Photo by Kris Krüg for PopTech) Photo used under CC BY
A child’s upper arm is measured at an Anganwadi centre in the village of Baggad, in Madhya Pradesh’s Dhar district, India in May 2013. This is a quick and simple way to check if a child is severely underweight as they have a 10-30 percent chance of death without treatment.
(Photo by Russell Watkins/Department for International Development) Photo used under CC BY