Shankar Vedantam is the host and creator of Hidden Brain. The Hidden Brain podcast receives more than three million downloads per week. The Hidden Brain radio show is distributed by NPR and featured on nearly 400 public radio stations around the United States.
If you listen closely to giggles, guffaws, and polite chuckles, you can discern a huge amount of information about people and their relationships with each other. This week, we talk with neuroscientist Sophie Scott about the many shades of laughter, from cackles of delight among close friends to the "canned" mirth of TV laugh tracks.
A type of discrimination is overlooked because it's rooted, not in hate, but in love. Our Hidden Brain team asks why good deeds, those we do for spouses or neighbors, can sometimes lead to injustice.
Recessions typically damage workers' long-term earnings. NPR's Hidden Brain podcast explains how a study found that students graduating from high school during a recession may be an exception.