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Shields during the Dominion War
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[QUOTE]Originally posted by Daniel Butler: [QB] I was in a university honors-level biology class. We had a lab one day which revolved around exhaling through straws into beakers of phenol; the carbon dioxide turned it from red to yellow. I believe we also held up a bottle of plant extract to see how it was green when you saw the light reflecting off of it, but red when you saw the light *through* it. I couldn't believe I didn't choose that week to skip... [/QB][/QUOTE]
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