We know that DNA is a genetic blueprint of all creatures, but recently an important new dimension has been revealed — DNA contains a vast and detailed record of how species adapt and change and therefore a living chronicle of evolution. Every new trait, from the vibrant colours of tropical birds to the colour vision through which we admire nature’s artworks, is due to gradual changes in DNA that we can now trace. The Making of the Fittest is a treasure trove of new information about how evolution works, why it matters and how this process has shaped our world.
