Provo, UT, USA. Construction projects and high-tech start-ups drive Utah's economic recovery, led by Provo, a top pick by Forbes for business and career opportunities.

The first sign that Provo got through the Great Recession better than most places shows up quickly, when a driver heading south from Salt Lake City comes upon an army of workers and machines widening the main interstate highway exit into town.

La Jolla, CA, USA. New amphibian studies have provided insights on the potential for regenerating human limbs or organs, including the role of crucial genetic information.

Researchers at the Salk Institute for Biological Studies discovered that it isn't enough to activate genes that kickstart the regenerative process. In fact, one of the first steps is to halt the activity of transposons, the so-called jumping genes.