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 ...

The fruit of Africa's marble berry (Pollia condensata) is a true living gemstone, sporting a stunning metallic blue sheen that never fades. Only the berries aren't actually blue in the sense most of ...

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, ...

Its unique nanoscale layers reflect blue light, helping it attract birds for seed dispersal. Scientists have long believed that truly blue fruits do not exist in nature. Even common "blue" foods such ...

Scientists have identified a fruit that looks truly blue. It grows on a tree called the blue quandong. The blue quandong fruit is found in remote rainforest regions of Australia. Unlike other fruits, ...

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 ...