Halogen bonding, hyperconjugation, electroactive polymers -- such subjects are typical fare in graduate-level chemistry courses. But how many classes challenge students to explain the concepts to the ...

This post was updated May 28 at 5:22 p.m. The next time a person searches the internet to research native plants or local dialects, they may encounter Wikipedia articles edited by UCLA students.

Susan C. Herring is a professor of information science and linguistics at Indiana University. She is co-editor of "The Multilingual Internet: Language, Culture, and Communication Online." Updated ...