Ancient North Americans gouged elaborate rock art into a heap of big boulders northeast of Reno, Nev., more than 10,000 years ago and perhaps 15,000 years ago. That makes the carvings the oldest known petroglyphs on the continent, according to a paper published in the Journal of Archaeological Science.
Originally published on Mon August 19, 2013 9:31 am
Finding doctors to work in the countryside isn't easy.
About 20 percent the U.S. population lives in rural areas, but only about 11 percent of doctors practice there. The lure of cities and suburbs has been hard to overcome. And doctor shortages, already acute in some rural areas, are expected to get worse.
Originally published on Fri August 16, 2013 2:24 pm
Each Friday we round up the big conversations in tech and culture during the week that was. We also revisit the work that appeared on this blog, and highlight what we're reading from our fellow technology writers and observers at other organizations.