Here is a little teaser:
There are two fundamental approaches to explain life’s beginning from an evolutionary standpoint: (1) replicator-first; and (2) metabolism-first scenarios.
Chemist Robert Shapiro argues in the cover article of the June 2007 issue of Scientific American that the replicator-first approach to the origin-of-life is a failed paradigm. From his vantage point, metabolism-first scenarios offer the best hope to explain the origin of life.
Read the rest here: A Fork in the Road, Part 1 (of 2): No Good Options for the Origin of Life