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In 1977, Woese and Fox proposed the Archaea as a new domain of life and that the tree of life is divided into three branches — the Eukarya, Bacteria and Archaea. Although a three-domain tree was ...

From Quanta Magazine (find original story here). The tree of life just got another major branch. Researchers recently found a certain rare and mysterious microbe called a hemimastigote in a clump of ...

Taxonomy is an organizing principle of biology and is ideally based on evolutionary relationships among organisms. Development of a robust bacterial taxonomy has been hindered by an inability to ...

When Josefin Stiller was growing up in Berlin, she loved reading about Greek gods in an encyclopedia of mythology. She often lost track of their relationships, however—their feuds, trysts, and ...