BISMARCK, N.D. (AP) -- The federal government is on the verge of approving a grain mainly used as livestock feed to make a cleaner version of ethanol, a decision officials say could give farmers a new ...

Add Yahoo as a preferred source to see more of our stories on Google. Sheep at Lee Tesdell's farm in central Iowa graze on a snow-covered field of harvested Kernza. (Photo by Cami Koons/Iowa Capital ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...