The Wenatchee World

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The latest extended forecast from The Weather Channel

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Overnight

Lo48° Slight Chc Showers

Thursday

Hi62° Chance Showers

Thursday Night

Lo42° Partly Cloudy

Friday

Hi57° Partly Sunny

Friday Night

Lo47° Showers Likely

Saturday

Hi60° Chance Showers

Saturday Night

Lo46° Chance Showers

Sunday

Hi58° Partly Sunny

Sunday Night

Lo41° Partly Cloudy

Monday

Hi53° Partly 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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