Ronald A. Jenner (NMH): Evolution is Linear: Debunking Life’s Little Joke. Chimpanzees can’t tell us much about being human: Although there is merit in recognizing how we resemble our primate relatives, sometimes we need to understand what sets our species apart. Humans didn’t evolve from a single ancestral population. When evolution is not a slow dance but a fast race to survive: Depending on the gene pool, a species can adapt relatively quickly to new external pressures. Israel Rosenfield and Edward Ziff on epigenetics: The evolution revolution. When it’s good to be antisocial: Sociality is no pinnacle of evolution — it’s just another result of the process. The first chapter from Extended Heredity: A New Understanding of Inheritance and Evolution by Russell Bonduriansky and Troy Day.