Menstrual Man

This man is my hero. He’s like a mad-scientist crossed with MacGyver. I love this story. A choice excerpt: He created a “uterus” from a football bladder by punching a couple of holes in it, and filling it with goat’s blood. A former classmate, a butcher, would ring his bicycle bell outside the house whenever […]

The Sari-Cloth Water Filter

The solution to controlling cholera will be high-tech analyses to produce extremely low-tech solutions. – Dr. Rita Colwell Cholera is a pathogen which, in humans, causes uncontrollable diarrhea so severe it can lead to death. While almost unknown in the first world, it is still an intractable problem in the third world, where many people […]

The Austin Women’s Clothing Swap

This case study is a great example of one of our basic rules of problem solving, Appeal to Self-Interest. The idea is that you “sell” a self-help idea to a community by immediately creating a short-term incentive. By getting a large group of people enthusiastic and on-board, you are able to create cascading positive changes […]

The Marvelous Pot-in-Pot

  (posted 2011) In parts of Nigeria, a quiet revolution has been happening in the lives of villagers. Suddenly, families previously without electricity are able to keep food fresh for weeks at a time. Young girls who previously had to stay at home are now able to attend school. Family income is on the rise. The […]