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.
At one time, it was easy to figure out what is leaking from your car just from the color of the fluid, now it's almost impossible because the fluid colors have all changed. Coolant was only green at one stage of the game, now it comes in a variety of colors, from green, orange, pink, even purple.