Science Nation - Africa's Drinking Water

submitted by: nsf
Access to safe drinking water is a global problem for nearly a billion people. For approximately 200 million people, many in Africa, high levels of naturally occurring fluoride in the water cause disfiguring and debilitating dental and skeletal disease. University of Oklahoma (OU) environmental scientist Laura Brunson is back from Ethiopia where, with support from the National Science Foundation, she's developing fluoride filtering devices that use inexpensive materials readily available...