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Random Questions
Because I'm curious...
1. What causes the "kick" effect when opening a bottle of cold Coke and drinking some? I swallow some and it immediately "kicks". What causes this, is it the carbination or do I swallow air with it, or the cold....?
2. Sometimes when eating cold ice cream, one can get a sudden, momentary headache that throbs right behind the forehead. As the ice cream goes to the belly and not up to the brain, what causes this headache?
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