The Wenatchee World

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Today

Hi85° Slight Chc Showers

Tonight

Lo59° Partly Cloudy

Sunday

Hi82° Slight Chc Thunderstorms

Sunday Night

Lo57° Slight Chc Thunderstorms

Memorial Day

Hi78° Slight Chc Thunderstorms

Monday Night

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Tuesday

Hi78° Chance Showers

Tuesday Night

Lo58° Chance Showers

Wednesday

Hi81° Slight Chc Thunderstorms

Wednesday Night

Lo57° Slight Chc Thunderstorms

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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