The streaming service Paramount Plus has released the first trailer for “Happy Face,” the TV series inspired by events surrounding a notorious true-crime case with a connection to Oregon.

The face we present to the world is constantly ... according to research by the American psychologist Paul Ekman. However, only one of these is a “genuine” or Duchenne smile.

Opinions expressed by Forbes Contributors are their own. Marc Berman is a New York-based reporter who covers media. In her book, Melissa shares the true story of her discovery that her father ...