Thoreau the scientist …

… Nature’s design | The New Criterion. (Hat tip, Dave Lull.)

What “The Dispersion of Seeds” establishes is that Thoreau was inventing the study we now call ecology—how nature keeps house. In France at the same time that Thoreau was plotting how individual trees have their seeds distributed by squirrels, birds, wind, snow, rain, and a free ride on human trousers and skirts, Louis Pasteur was disproving the age-old belief in spontaneous generation.