Four Fifths a Grizzly

What do you think of when you think of Nature? Prolific author and National Geographic writer Doug Chadwick’s fresh look at human’s place in the natural world.

In his accessible and engaging style, Chadwick approaches the subject from a scientific angle, with the underlying message that from the perspective of DNA humans are not all that different from any other creature. He begins by showing the surprisingly close relationship between human DNA and that of grizzly bears, with whom we share 80 percent of our DNA. We are 60 percent similar to a salmon, 40 percent the same as many insects, and 24 percent of our genes match those of a wine grape. He reflects on the value of exposure to nature on human… Keep Reading