ScienceDaily: Living Well News

A novel technique to measure the age of male sperm has the potential to predict the success and time it takes to become pregnant, according to a newly published study.

Researchers have identified how the brain triages emotions during dream sleep to consolidate the storage of positive emotions while dampening the consolidation of negative ones. The work expands the importance of sleep in mental health and opens new ways of therapeutic strategies.

The effect of variability on learning is recognized in many fields: learning is harder when input is variable, but variability leads to better generalization of the knowledge we learned. In this review, researchers bring together over 150 studies on variability across domains, including language acquisition, motor learning, visual perception, face recognition and education, shedding light on the underlying mechanisms behind variability.