Add Yahoo as a preferred source to see more of our stories on Google. Bright blue berries The fruit of Africa's marble berry (Pollia condensata) is a true living gemstone, sporting a stunning metallic ...

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 ...

Native to tropical Australia, Papua New Guinea, and parts of Indonesia, the blue quandong is a tall rainforest tree with spreading branches. (Image credit: Homegrownpalmwoods/Facebook) For centuries, ...