By Anne Marie Helmenstine, Ph.D. Definition: Isomeric transition is a form of radioactive decay where a gamma photon is emitted by a nucleus in an excited metastable state. The photon is emitted when the energy of the excited nucleus drops to the lower, ground state.
These Are The Most Educated States And Neighborhoods In America. One out of every two people living in Washington, D.C. has a college degree, a rate far surpassing any state in the country. Of course, it can be a little unfair to compare one city that is the center of government power with far larger states. Among the states, the Commonwealth of Massachusetts takes the top slot as most educated, which may come as little surprise too, considering how many great colleges are located in the Boston area.
Americaâs Most (and Least) Educated States. The proportion of Americans with a college degree has increased steadily each year for more than a decade. According to the latest U.S. Census data, 29.6% of Americans at least 25 years old had at least a bachelorâs degree last year, up from 27.9% in 2009.