There's a reason why blue fruits are so rare: the pigment compounds that make fruits blue are relatively uncommon in nature. But the metallic blue fruits of Viburnum tinus, a popular landscaping plant ...

The idea that a fruit could appear bright, metallic blue without using any pigment sounds impossible. Yet scientists have confirmed that a rare rainforest fruit reflects an intense blue colour even ...

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 ...

Scientists have discovered a rainforest fruit that exhibits an intense, metallic blue color without any pigment. This phenomenon is achieved through microscopic cellulose layers that precisely reflect ...