At Kennesaw State University in Georgia, the Intensive English Program doesn't teach a slang expression until it is in use for more than one generation, says David Johnson, a professor of English and director of the program.

WSJ: Mastering the Finer Points of American Slang

The Atlas is pretty cool it lets you check out the expression of known genes, check out MRI and DTI images and download a program that enables you to explore the genetic structure of the brain in 3-D.

FORBES: Connect

"The scope for public expression has become much wider" said Lina Khatib, director of the Arab Reform and Democracy Program at Stanford University.

CNN: Iran's cartoonists find new lines of expression