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| Brains of dyslexics differ in readers of dissimilar languages
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The learning disability dyslexia may be the result of different neurological conditions in readers of dissimilar languages, according to a new study that compared readers of English to those of Chinese.
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| Oldest gold artifact in the Americas
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A nine-bead necklace recently found near Lake Titicaca in Peru is the oldest known worked gold artifact in the Americas, archaeologists say.
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| Massive ozone hole would result from regional nuclear war
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A regional nuclear exchange would create a nearly Earth-sized ozone hole, researchers report.
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