Aleesha Grier, PsyD, is a clinical psychologist in private practice and an assistant clinical professor at the Yale School of Medicine. Operant conditioning uses rewards and punishments to change ...

Sandiegouniontribune.com covers local news in San Diego County, CA, California and national news, sports, things to do and the best places to eat, business and the San Diego housing market.

June 23, 2026 • Facts by day, fiction by night! At the end of a long day in the newsroom, many of our journalists head home and escape into novels of all types.

The Algarve, Portugal—our all-time favorite retirement haven—offers 100 miles of dramatic Atlantic coastline, Blue Flag beaches, world-class golf, and more than 300 days of sunshine a year. In this ...