"Let us settle ourselves, and work and wedge our feet downward," Thoreau invites his readers in Walden, "till we come to a hard bottom and rocks in place, which we can call reality." Walden's Shore explores Thoreau's understanding of that hard reality, not as metaphor but as physical science. Robert M. Thorson is interested in Thoreau the rock and mineral collector, interpreter of landscapes, and field scientist whose compass and measuring stick were as important to him as his plant press. At Walden's climax, Thoreau asks us to imagine a "living earth" upon which all animal and plant life is parasitic. This book examines Thoreau's understanding of the geodynamics of that living earth, and how his understanding informed the writing of Walden.

The story unfolds against the ferment of natural science in the nineteenth century, as Natural Theology gave way to modern secular science. That era saw one of the great blunders in the history of American science--the rejection of glacial theory. Thorson demonstrates just how close Thoreau came to discovering a "theory of everything" that could have explained most of the landscape he saw from the doorway of his cabin at Walden. At pivotal moments in his career, Thoreau encountered the work of the geologist Charles Lyell and that of his protégé Charles Darwin. Thorson concludes that the inevitable path of Thoreau's thought was descendental, not transcendental, as he worked his way downward through the complexity of life to its inorganic origin, the living rock.

A crystal-clear, scientifically rigorous argument for the existence of free will, challenging what many scientists and scientifically minded philosophers believe.

Philosophers have argued about the nature and the very existence of free will for centuries. Today, many scientists and scientifically minded commentators are skeptical that it exists, especially when it is understood to require the ability to choose between alternative possibilities. If the laws of physics govern everything that happens, they argue, then how can our choices be free? Believers in free will must be misled by habit, sentiment, or religious doctrine. Why Free Will Is Real defies scientific orthodoxy and presents a bold new defense of free will in the same naturalistic terms that are usually deployed against it.

Unlike those who defend free will by giving up the idea that it requires alternative possibilities to choose from, Christian List retains this idea as central, resisting the tendency to defend free will by watering it down. He concedes that free will and its prerequisites—intentional agency, alternative possibilities, and causal control over our actions—cannot be found among the fundamental physical features of the natural world. But, he argues, that’s not where we should be looking. Free will is a “higher-level” phenomenon found at the level of psychology. It is like other phenomena that emerge from physical processes but are autonomous from them and not best understood in fundamental physical terms—like an ecosystem or the economy. When we discover it in its proper context, acknowledging that free will is real is not just scientifically respectable; it is indispensable for explaining our world.