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 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 ...

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, ...

Walk through a tropical rainforest, and you quickly notice a pattern in the fruits growing around you. Most are red, orange, purple, or sometimes nearly black. Blue fruits appear to exist, but ...