Across the University of Colorado at Boulder campus students are sharing answers, checking their responses to questions against those of their neighbors and making adjustments to those answers in hopes of earning a better grade.

Backgrounder: Recent winners of Nobel Prize for physics STOCKHOLM, Oct.

By JUSTIN POPE On weekday mornings, the Cristol Chemistry Building at the University of Colorado is a hive of activity. Every hour, hundreds of laptop-toting students file in and out of its theater-style lecture halls, where classes are scheduled back to back.

By JUSTIN POPE A Nobel Prize winner touts reforms in the way students learn material. BOULDER, Colo. -- On weekday mornings, the Cristol Chemistry Building at the University of Colorado is a hive of activity.

By Justin Pope It's one of the fundamental challenges for colleges in the 21st century: how to make higher education serve an ever-growing student population without compromising quality. This is the third story in an occasional series on how schools are attacking the problem. BOULDER, Colo.