ScienceAlert on MSN

This stunning 'blue marble' fruit isn't actually blue – it's a wild optical illusion

The fruit of Africa's marble berry (Pollia condensata) is a true living gemstone, sporting a stunning metallic blue sheen ...
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The Only True Blue Fruit on Earth Exists, But It Isn’t Actually Blue

In the tropical forests of Australia and Southeast Asia grows a tree that might just be the champion of blue fruits. Its name? The blue quandong, or Elaeocarpus angustifolius. It boasts an intense, ...
Forbes

Meet The Tree That Produces The Only True Blue Fruit On The Planet. Hint: It’s Not Actually Blue

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. The quandong’s fruit appear intensely blue, but without ...
C&EN

It’s the wax: blue fruits get their hue from their coating’s crystalline structure

Among the vast rainbow of fruits, blue fruits are so rare that scientists classify them as outliers. But strip away a blueberry’s waxy outer coating and the berry looks black. Squish it and the juice ...