The Wenatchee World

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Tonight

Lo32° Slight Chc Snow

Saturday

Hi48° Sunny

Saturday Night

Lo27° Clear

Sunday

Hi48° Sunny

Sunday Night

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Monday

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Monday Night

Lo25° Partly Cloudy

Tuesday

Hi42° Sunny

Tuesday Night

Lo20° Mostly Clear

Wednesday

Hi45° Sunny

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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