What science thinks is that life began a little less than 4 billion years ago, as a kind of self-organizing chemical process in the early Earth's oceans, and fr

What science thinks is that life began a little less than 4 billion years ago, as a kind of self-organizing chemical process in the early Earth's oceans, and from that point, life has never stopped. Cells are alive and give rise to other cells. There's a continuity of cellular life from the very nerve cells in your brain that allow you to interpret symbols, going back to your parent's cells, to their parent's cells, and right on back to the dawn of life on earth in one unbroken continuum.