Or even, what the sigma?! Confused about what it might mean, or why kids are so obsessed with saying it? Here’s a quick breakdown of where the word has come from... Sigma is the eighteenth letter of ...

"Sigma" is commonly known as the eighteenth letter of the Greek alphabet. But in Gen Alpha terms, it also has various ...

The list is pretty long, thanks to the creative use of an alphabet of twenty-four letters ... myself to three of them—the sigma, the beta and the alpha. What are they? The sigma, ***σ ...

Sigma Alpha Epsilon is a Greek-letter social college fraternity founded at the University of Alabama on March 9, 1856. Of all existing national social fraternities today, Sigma Alpha Epsilon is the ...

This story was updated at 8:14 a.m. on April 18 to include a statement from Sigma Alpha Epsilon National Chief Executive ...