The Magic Ratio That Wasn’t

The 2009 book Positivity: Top-Notch Research Reveals the 3 to 1 Ratio That Will Change Your Life, by Barbara Fredrickson, was praised by the heavyweights of psychology. Daniel Gilbert said it provided a “scientifically sound prescription for joy.” Daniel Goleman extolled its “surefire methods for transforming our lives.” Martin E.P. Seligman, often called the father of positive psychology, raved that “this book, like Barb, is the ‘real thing.’”

Chronicle of Higher Education

Facebook Use Predicts Declines in Happiness, New Study Finds

Facebook helps people feel connected, but it doesn’t necessarily make them happier, a new study shows. Facebook use actually predicts declines in a user’s well-being, according to a University of Michigan study that is the first known published research examining Facebook influence on happiness and satisfaction.

ScienceDaily

To sleep, perchance to clean

In findings that give fresh meaning to the old adage that a good night’s sleep clears the mind, a new study shows that a recently discovered system that flushes waste from the brain is primarily active during sleep. This revelation could transform scientists’ understanding of the biological purpose of sleep and point to new ways to treat neurological disorders.

EurekAlert.