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 addition there are extra bands to indicate which immersion fluid to use. A black band indicates that oil is required; a white band stands for water. Oil is the most commonly-used immersion fluid, followed by water. Brown/orange is used for glycerine, and a red band for a multi-immersion objective.