The sphere is the elementary division of inside and outside. If there were to be a symbol for the “thingness” of anything, I would guess we’d agree on the sphere, or, on the page, the circle.

Tyler Volk

Tyler Volk is a professor in the departments of environmental studies and biology at New York University. His areas of interest include principles of form and function in systems (described as metapatterns), environmental challenges to global prosperity, CO2 and global change, biosphere theory and the role of life in earth dynamics.

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