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1 .This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?
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2 .It's long been known that nutrient-rich dust from Africa floats across the Atlantic to the Amazon.
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3 .And it's assumed that the dust fertilizes the rainforest.
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4 .Oliver Chadwick from the University of California, Santa Barbara, says that Hawaii can also thank immigrant dust for its lush forests:
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5 ."Hawaii is one of the least dusty places in the world.
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6 .It's one of the most remote archipelagos in the world and receives very little dust.
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7 .And yet, we've been able to demonstrate that the phosphorus that's carried by the dust and deposited on the old landscapes in Kauai actually fertilizes the forest."
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8 .Speaking February 19th at the annual meeting of the American Association for the Advancement of Science in San Diego,
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9 .Chadwick noted that Puerto Rico also relies on African dust for fertilization.
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10 ."Through the atmosphere, all parts of terrestrial ecosystems, forests, grasslands, are linked in a very effective way."
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11 .Thanks for the minute, for Scientific American's 60-Second Science. I'm Steve Mirsky.
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