Among the things I most cherish about science is the way it anneals curiosity. True curiosity is an open wonderment at what something is and how it works without emotional attachment to the outcome of observation and experiment. It is only when we cede emotional attachment that we can be truly free from judgment, for all judgment is feeling — usually some species of fear — masquerading as thought. And when we judge, we cannot understand. True curiosity is therefore a form of love, because, as the great Zen teacher Thich Nhat Hanh so plainly and poignantly put it, “understanding is love’s other name.” There have been few more curious and loving observes of this world than Henry David Thoreau (July 12, 1817–May 6, 1862). “Life!…