But the economics of this environmental equation frighten many Argentines, who worry that diverting farmland for fuels will spike food prices even higher. Vice President Al Gore addressed experts and financiers wrangling over efficient and environmentally friendly ways of promoting biofuels development at the first biofuels congress of the Americas. As Gore spoke to the private gathering inside a Buenos Aires hotel, demonstrators riding bicycles and wearing surgical masks chanted slogans...

Now some studies link low vitamin B12 status with increased development of dementia or more subtle reductions in cognitive function seen in the elderly. When tests link poor cognitive function with low B12, we can't tell whether low B12 is a cause or a result of cognitive decline, which can lead to poor eating. Now research suggests that lack of B12 may cause problems before obvious symptoms appear and that more people may be affected than we thought. On the other hand, studies that show...

The trees and grasses and crops were all different from what I d grown up with and the people were so friendly. And if you grow grains, grasses or legumes anywhere around these parts, there s little doubt that you have used some of those answers in your operation. After 40 years, the official portion of Kilgore s full-tilt, non-stop, on-the-go love affair with all things agronomic came to an end last week as the K-State agronomist retired from his post as the crops and soils specialist for...

As a result, hundreds of dairy farmers decided to switch last spring so they could complete the yearlong conversion before the more stringent Harvey rule takes effect in June. Dairy farmers are rushing to convert to organic milk production, and it is largely because of a blueberry farmer who lives in Maine with a solar-powered computer and an outhouse outfitted with a stained-glass window. Arthur Harvey, the blueberry farmer, convinced a federal court in 2005 that some regulations on...

Since mid-March, more than 5,600 pet food items have been recalled after thousands of pets were killed or sickened by what is now said to be the deliberate addition of the chemical melamine by Chinese companies to boost the protein ratings of wheat flour being shipped to the United State and Canada. Since mid-March, more than 5,600 pet food items have been recalled after thousands of pets were killed or sickened by what is now said to be the deliberate addition of the chemical melamine by...