Many villages in rural India have to dig wells 50 to 70 meters deep to access drinking water. With India’s 1.3 billion people and counting, the wells need to go deeper and deeper. And with the aquifers getting deeper the salinity level of the water often increases. Too much salt is detrimental to health. Now MIT engineers have developed a low-cost, solar-powered desalination system.
BY THE OPTIMIST DAILY EDITORIAL TEAM Across the world, soil scientists are trading in their shovels for something unexpected: seismic sensors. In a breakthrough ...
Read MoreBY THE OPTIMIST DAILY EDITORIAL TEAM A growing body of research is revealing how a short, simple activity that is done in just 15 ...
Read MoreThink of the happiest people you know. Do you find yourself often wondering what they are doing to maintain a general level of joy? ...
Read MoreEvery day on the Optimist Daily, we report on solutions from around the world. Though we love solutions big and small, the ones that ...
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