1 Symptoms of kidney pain may include. 2  fever, 3  painful urination, 4  flank pain, 5  nausea and/or vomiting. 6  Kidney pain can be on the left, right, or both sides.
A Brief History of Horses. By 55 million years ago, the first members of the horse family, the dog-sized Hyracotherium, were scampering through the forests that covered North America. For more than half their history, most horses remained small, forest browsers.
New! The Horses of the Plains. Most of the evolutionary development of the horse (54 million years ago to about 10,000 years ago) actually took place in North America, where they developed the very successful strategy of grazing (eating grass) rather than browsing (eating softer succulent leaves).