Quantcast

Latest Laura Brunson Stories

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

[ Watch the Video ] Community outreach helps technology solve water problems in Africa 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. Large amounts of fluoride can lead to dental fluorosis and skeletal fluorosis. "Dental fluorosis is a darkening or mottling of the teeth, and you can tell very easily when people...

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. Laura Brunson, graduate student in the OU College of Civil Engineering and Environmental Science, works with researchers in the OU Water Center on global water challenges,...


Word of the Day
sough
  • A murmuring sound; a rushing or whistling sound, like that of the wind; a deep sigh.
  • A gentle breeze; a waft; a breath.
  • Any rumor that engages general attention.
  • A cant or whining mode of speaking, especially in preaching or praying; the chant or recitative characteristic of the old Presbyterians in Scotland.
  • To make a rushing, whistling, or sighing sound; emit a hollow murmur; murmur or sigh like the wind.
  • To breathe in or as in sleep.
  • To utter in a whining or monotonous tone.
According to the OED, from the 16th century, this word is 'almost exclusively Scots and northern dialect until adopted in general literary use in the 19th.'
Related