Nathan H. Lents in the Wall Street Journal: “Over the past decade, geneticists and biologists have learned more about our evolution than we ever thought possible. Not all of it is pretty. For example, the DNA in our cells is littered with huge stretches of repetitive, useless gobbledygook. Our chromosomes also harbor thousands of viral “carcasses,” baggage left by infections that our ancestors fought millions of years ago.”
Click to read the excerpt in the Wall Street Journal.