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.
Detection. Wait until your engine is cool, then open the hood of your car to visually inspect the engine. Coolant usually comes in bright colors, such as orange, yellow or green. If the coolant reservoir adjacent to the radiator is empty or low, your car may be leaking coolant.