Add Yahoo as a preferred source to see more of our stories on Google. Cattle at a nature preserve in eastern Iowa are managed via virtual fencing technology. The Nature Conservancy conducted a ...

One day as I was driving from my home near Kraemer Lake, I noticed a small herd of cattle in a pasture fenced with barbed wire. It brought back memories. Wire had been a much-used commodity on our ...

A relatively straightforward technological innovation -- GPS-equipped free-range cows that can be nudged back within virtual bounds by ear-mounted stimulus-delivery devices -- could profoundly reshape ...