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Life sciences/Genetics/Molecular genetics/DNA synthesis/DNA amplification/Polymerase chain reaction

Nathan Rabideaux peers into the small plastic cups filled with water and topped with the pink slick of an oil additive. It’s meant to simulate an oil spill like the one in the Gulf of Mexico last year, and his high school students are using sand, hay, kitty litter, vermiculite, absorption pads, and a chemical dispersant to see how each affects the floating toxin.