West Nile virus has hit Dallas County, Texas, hard this year. Officials there have declared a state of emergency against the mosquito-borne illness. For the first time in decades, they plan to begin aerial spraying to control the mosquito population.
When Republican Mitt Romney tapped House budget chairman Paul Ryan to be his vice presidential running mate, the decision forced both campaigns to focus on Medicare. The Ryan pick was a 180 degree turn from Romneys' original premise which was to focus exclusively on President Obama and the economy.
During a festival this week at the Bill & Melinda Gates Foundation, scientists from around the world showcased the latest toilet technologies. Bill Gates himself awarded top-performing commodes, including a solar-powered toilet and one that dehydrates waste within 24 hours.
The Food and Drug Administration is looking into the risks of codeine, after three children died while taking the medicine to relieve pain following tonsillectomies. Those kids and another one who almost died appear to have had a gene that made the codeine particularly potent inside their bodies.
In Africa, a nutrition success story: Swapping orange sweet potatoes for white ones is improving the health of children by boosting vitamin A levels. Researchers are now trying to duplicate their success with other crops.
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