All animals, plants, fungi, and people may trace their family tree back to one tiny microbe that lived about 2 billion years ago. By comparing DNA from obscure, deep-sea microbes, scientists have argued that this ancient ancestor sits in a group…
All animals, plants, fungi, and people may trace their family tree back to one tiny microbe that lived about 2 billion years ago. By comparing DNA from obscure, deep-sea microbes, scientists have argued that this ancient ancestor sits in a group…