EDTA is a chemical that is added to certain foods and beverages to help them keep their color and flavor. For instance, it is sometimes added to: 1  Sodas. 2  Canned fruits and vegetables. 3  Non-nutritive sweeteners. 4  Condiments such as mayonnaise. 5  Salad dressings.
Herman Wallace was serving a 50-year sentence for armed robbery when he was convicted, along with fellow inmate Albert Woodfox, for the murder of a prison guard at the Louisiana State Penitentiary in 1972. Wallace spent 41 years in solitary confinement.
Ravindran begins by introducing us to Robert King, a former prisoner and member of the AAAS panel, who spent 29 years in solitary at Louisianaâs Angola State Prison. King describes his experiences in and out of solitary confinement, and the lasting side effects.