How do random mutations in our genes really create the kind of diversity of life we see in the world today? Charles Darwin certainly had no idea, since the genetic revolution happened long after he died.
Now, researcher and evolutionary biologist Dr. Andreas Wagner has written a book explaining how life can adapt in a way that’s much faster than simple random variations. It’s called Arrival of the Fittest:
In the excerpt below, Wagner explains the concept of the “Universal Library”: