Jones and Cassidy went on to play mother and son on The Partridge Family, which debuted in the fall of 1970. Danny Bonaduce and Susan Dey were also key members of the cast.
Sour crude oil. Sour crude oil is crude oil containing a high amount of the impurity sulfur. It is common to find crude oil containing some impurities. When the total sulfur level in the oil is more than 0.5% the oil is called sour.
The magic berry that turns sour food sweet. It sounds like something Willy Wonka might have invented at his chocolate factory - a berry that can make everything sour taste sweet. Lemons lose their sharpness, vinegar tastes like sherry and a pint of Guinness comes to resemble chocolate milkshake.