Islands are also priceless laboratories for the study of evolution.
He explains what the colorblind can and cannot see and how their community has adapted to their condition. Sacks practices at the Albert Einstein College of Medicine in New York. Nature writer David Quammen is obsessed with islands and their strange life forms. He talks with Steve Paulson about the emerging science of island biogeography and what it reveals about evolution. Island Biogeography in an Age of Extinctions.