Genes that leap from one species to another are more common than we thought. Does this shake up the tree of life?
Source: Genes that jump species: does this shake the tree of life? | Aeon Essays
If the most complex cells descended from the least complex ones (which is what it looks like), that’s not really something many researchers want to hear.
Source: At Nature: Carl Woese’s archaea are “shaking up the tree of life” | Uncommon Descent