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.
Blue is the most tranquilizing color. It calms tense subjects and increases feelings of well-being. When you see blue, your brain releases eleven neurotransmitters that relax the body, and may result in a reduction of temperature, perspiration, and appetite. Blue may be a bit too calming for most learning environments. Green is also a calming color.