With the help of UA researchers, archaeologists have discovered that the highest known human occupation sites also are the world’s oldest, challenging theories about the speed of human adaptation to high-altitude living.
Researchers at the University of Arizona have helped determine that human occupation sites in the southern Peruvian Andes not only are the highest known in the world, but also the oldest. (more…)
*A 33,000-year-old dog skull unearthed in a Siberian mountain cave presents some of the oldest known evidence of dog domestication and, together with an equally ancient find in a cave in Belgium, indicates that modern dogs may be descended from multiple ancestors.*
If you think a Chihuahua doesn’t have much in common with a Rottweiler, you might be on to something.
An ancient dog skull, preserved in a cave in the Altai Mountains of Siberia for 33,000 years, presents some of the oldest known evidence of dog domestication and, together with equally ancient dog remains from a cave in Belgium, indicates that domestication of dogs may have occurred repeatedly in different geographic locations rather than with a single domestication event. (more…)