Quick Answer. HowStuffWorks explains that food poisoning often occurs when a person eats spoiled food. Common symptoms of food poisoning are stomach pain, diarrhea, nausea, vomiting and cramping.
Confusion continues over coolant colors for cars. Of course, there is still the good old green stuff, but there is also orange, yellow (gold and amber), red, pink, blue and, if you mix the wrong things together, brown. Despite the rainbow of colors, all antifreeze starts out colorless.
In recent years, there have been many changes, given the new developments in the area of engine coolant. Several manufacturers are specifying their own type of antifreeze, and it can be confusing to the consumer as to which color or formulation of coolant is acceptable for their car. Some European coolants are based on a different pH scale from those made for American cars, because of the differences in plain water between the two continents.