Where do insects, birds, and mammals come from? Thanks to new technologies and recent discoveries, scientists can now recreate the missing branches of the tree of life.Where do insects, birds, and mammals come from? Thanks to new technologies and recent discoveries, scientists can now recreate the missing branches of the tree of life.Where do insects, birds, and mammals come from? Thanks to new technologies and recent discoveries, scientists can now recreate the missing branches of the tree of life.