To help the poor, experts invent solar-powered hearing aids, motorcycle ambulances, Associated Press, September 12, 2011, Washington Post: “A bit of creativity never hurts, especially when it comes to solving health problems in developing countries. Instead of the usual donated medicines and health equipment, some experts are inventing new products for the poor, like a solar-powered hearing aid or a motorcycle ambulance. Both inventions were showcased at an engineering conference in London. And in a new report published online Monday in the journal Lancet, the United Nations highlights innovations like using text messages in South Africa to remind women with HIV to get their babies tested and tucking medicines into Coca-Cola crates to reach remote villages. Hundreds of thousands of replacement joints, surgical tools and other medical devices have been sent to poor countries over the years. But according to the World Health Organization, about 75 percent of the donated goods sit unused, either because they’re broken or no one knows how to use them…”