The Wenatchee World

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This Afternoon

Hi65° Partly Sunny

Tonight

Lo44° Mostly Cloudy

Monday

Hi68° Mostly Sunny

Monday Night

Lo44° Mostly Cloudy

Tuesday

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Tuesday Night

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Wednesday

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Wednesday Night

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Thursday

Hi57° Mostly Sunny

Thursday Night

Lo38° Partly Cloudy

Science in the public eye

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PHILADELPHIA — “That, to me, looks like Egyptian blue,” Lynn Grant said as she scrutinized a painting on mud plaster from more than 3,100 years ago. Colleague Molly Gleeson agreed, but was curious why tests showed that the paint contained iron — not a standard ingredient in the ancient blue pigment.

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