Lyft-style apps for doctors' home visits take off in America's big cities
Doctors’ home visits are a thing of the past. And they are making a resurgence in US big cities thanks to a host of new mobile apps. In San Francisco, Los Angeles or New York City, patients can hail a doctor as they would a Lyft driver. Typically, doctor and patient have never met before—owing Read More...
MIT develops cheap, portable, solar-powered desalination system
Solar-powered desalination plants have been a promising technology for a while, but their prohibitive cost has prevented them from being considered a solution in water-deprived, typically poorer parts of the world. Using the electrodialysis process, a team from the Massachusetts Institute of Read More...
Lima is relying on an ancient civilization’s technology to alleviate drought
With its 9 million inhabitants, the city of Lima, Peru, is exposed to water shortages during its seven-month long dry season. Rather than building a desalination plant, the city's water utility company, Sedapal, is to invest in conservation projects to keep the rivers flowing more reliably Read More...