Plants and animals. Flora and fauna. While these phrases are familiar, they don't contain another kingdom of organisms crucial to local habitats. These life-forms are neither plants nor animals.

New research suggests that fungi in the gut, not just bacteria, may help explain why IBS symptoms vary and persist.

Fungi and insects have been co-evolving for millions of years, and there are a variety of different fungi and insect relationships, some of which are beneficial. But fungi are also the most common ...