Bruce Bower wrote about the cognitive benefits of a blue mood in “The bright side of sadness” (SN: 11/2/13, p. 18). A negative mood can increase recall, attention to detail and a sense of fairness to others, the article noted.

Bower’s story was the most read on the Science News website in October, with a spike of more than 94,000 views after being posted on the social news site reddit.com.