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段落1

This is Scientific American 60-Second Science. I'm Sophie Bushwick. Got a minute?

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Medicinal tablets are nothing new.

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Doctors have been dispensing pills for thousands of years.

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And now archaeologists have turned up some of those ancient medicines,

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which were preserved in a shipwreck for close to two millennia.

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The 2nd-century Pozzino wreck was discovered in 1974 off the coast of Italy.

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It's cargo included medical equipment like a cupping vessel, iron probe, and tin boxes of supplies.

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And in one of those boxes, researchers recovered five gray tablets.

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Now, they've analyzed the antique medication.

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The work is in the Proceedings of the National Academy of Sciences.

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The pills primarily contained zinc compounds, probably the active medicinal ingredients.

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But researchers also detected starch, pollen, charcoal, fats and linen fibers.

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Those fibers helped the tablets hold their round, loaf-like shape, which may be the key to the medication's use:

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the Greek word meaning "small round loaves" also inspired the word collyrium, or eye-wash.

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The pills were probably either dissolved in liquid or ground into a powder and used to treat eye conditions.

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Who knows, maybe Hippocrates used them on his pupils.

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Thanks for the minute, for Scientific American 60-Second Science. I'm Sophie Bushwick.

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