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.
While excavating the cellar of President Washington's home at Mount Vernon, Va., an archaeologist found two glass jars poking out of the dirt. They hold 250-year-old preserved cherries.
The Panorama Challenge is one of the fiercest trivia competition in New York and requires encyclopedic knowledge of the city. It's where tour guides can shine.