In earlier experiments, designed to replicate normal learning, Dr Tononi found that the part of the brain showing most slow-wave activity during sleep was the same as the part that had been activated during the experiment.

ECONOMIST: Memory formation

While my years as a debate coach taught me that collaborative learning often enables slow or recalcitrant learners to hide behind the drive and discipline of top achievers in a group, it also elicits a need to succeed in students whose learning style requires more hands-on experiences.

FORBES: How Sandy Can Help Students Become Better Citizens