http://ideas.ted.com/a-newly-drawn-tree-of-life-reminds-us-to-question-what-we-know/?utm_campaign=social&utm_medium=referral&utm_source=facebook.com&utm_content=ideas-blog&utm_term=science A newly released diagram of all life on Earth, the Tree of Life, contains a whole new branch, full of microbes — which appear to dominate Earth’s biodiversity. via A new Tree of Life reminds us to question what we know |.