If you’ve ever seen a Medieval European painting that has a deep, rich blue, you’ve seen a color called ‘ultramarine,’ […]
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If you’ve ever seen a Medieval European painting that has a deep, rich blue, you’ve seen a color called ‘ultramarine,’ […]
No, it’s not a blue whale, or a California coastal redwood. There are two candidates: a fungus called Armillaria ostoye […]
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