Five Best Ideas of the Day November 19
1. Teach data literacy in elementary school. By Mohana Ravindranath in the Washington Post, 2. A new app lets kids explore the life and living conditions of other children around the world. By Laura Bliss in CityLab, 3. Politics inside Yemen  once a reliable U.S. ally and success story in the war on terror  has pushed the nation out of our influence. By Adam Baron in Defense One, 4. When it comes to science and health news, radio might save journalism. By Anna Clark in Columbia Journalism Review, 5. Rooftop solar power could beat the price of coal in two years  if utilities don't shut it down. By Lucas Mearian in ComputerWorld