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September 8, 2010 -- Blue crab larvae, collected in the Gulf of Mexico near the BP oil spill, have been found to have oil droplets inside their shells. But scientists say the oil may leave the crabs when they grow and molt.
September 27, 2010 -- Thousands of walruses gathered together in a dangerous "haul out" on the coast of Alaska earlier this month. Scientists say the walruses came ashore in such large numbers because their normal habitats, Arctic ice floes, are melting.
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