The Wenatchee World

Weather:

Weather

The latest extended forecast from The Weather Channel

Remove this weather forecast

This Afternoon

Hi76° Sunny

Tonight

Lo51° Mostly Clear

Thursday

Hi72° Mostly Sunny

Thursday Night

Lo47° Partly Cloudy and Breezy then Partly Cloudy

Friday

Hi67° Mostly Sunny

Friday Night

Lo48° Partly Cloudy

Saturday

Hi69° Mostly Sunny

Saturday Night

Lo50° Partly Cloudy

Sunday

Hi72° Mostly Sunny

Sunday Night

Lo52° Partly Cloudy

Science in the public eye

Send to Kindle
Print This
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.

View my options or Sign in