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Engineering Safer Drinking Water In Africa
2012-02-07 04:19:30

In the United States and other developed countries, fluoride is often added to drinking water and toothpaste to help strengthen teeth. But too much naturally occurring fluoride can have exactly the opposite effect.

2011-05-16 20:33:33

A University of Oklahoma environmental science graduate student will travel to Ethiopia in June to test materials she has been investigating as possible solutions to fluorosis—a widespread problem in the Rift Valley, where high levels of fluoride in the drinking water result in dental and skeletal disease.


Word of the Day
honeyguide
  • Any of various tropical Old World birds of the family Indicatoridae, some species of which lead people or animals to the nests of wild honeybees. The birds eat the wax and larvae that remain after the nest has been destroyed for its honey.
Honeyguide birds have even been known to eat candles.