A chief sustainability officer will be hired in Los Angeles County to work on issues such as clean air, water, and soil.
Forty percent of night shift workers who later participated in a test drive were involved in a near crash event.
The Agriculture Department must revise the whole grain and sodium standards for healthy school meals.
The use of computers and smart phones for two or more hours each day is causing Americans to have digital eye strain.
Scientists at the California Institute of Technology believe they may have discovered a ninth planet.
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