Want to infuriate the entire brewing industry? Start poking around its trash.
That's what the Food and Drug Administration discovered when it threatened to dramatically affect how breweries use their spent grain.
Last fall, the FDA proposed a new rule: Facilities producing feed for animals should be subject to regulations similar to those in food manufacturing. Any facility producing animal feed would be required to produce a written plan to identify and minimize contamination.
"The ordinary method of cutting out a wedge is very faulty," wrote Sir Francis Galton, a British mathematician, in a 1906 letter to the journal Nature concerning the scientific principles of cake-cutting.
More than a century later, cake lovers might finally be ready to face this truth.