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1 .This is Scientific American 60-Second Science. I'm Christopher Intagliata. Got a minute?
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2 .There are now at least five major garbage patches in the world's oceans, and much of that trash is plastic.
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3 .But last month researchers said they can only account for one percent of the plastic they'd expect to find in the oceans.
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4 .So, where'd the rest of it go?
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5 .Well, animals eat some of it.
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6 .Plastic has been found in turtles, seabirds, fish, plankton, shellfish, even bottom-feeding invertebrates.
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7 .But there's another way sea creatures might be accumulating plastic: by sucking up tiny plastic particles with their siphons and gills.
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8 .Researchers added common shore crabs¡ªCarcinus maenas¡ªto tanks of seawater containing millions of tiny plastic particles, just 10 microns in diameter.
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9 .After 16 hours, all the crabs had plastic lodged in their gills.
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10 .And the particles stuck around for up to three weeks, too.
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11 .The results are in the journal Environmental Science and Technology.
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12 .The longer plastic sits in an animal, researchers say, the better the chances it will travel up the food chain.
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13 .Meaning all our plastic waste could come back to bite us, or rather be bitten by us.
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14 ."Of course we eat mussels whole, without the shells.
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15 .But we're potentially eating plastic, if they're from a site where there's plastic present."
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16 .Lead researcher Andrew Watts, of the University of Exeter.
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17 ."We don't know how much plastic we have in our stomachs¡ chances are we do have some."
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18 .Thanks for the minute, for Scientific American's 60-Second Science.I'm Christopher Intagliata.
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