• A R P Rau

      Articles written in Journal of Biosciences

    • Biological scaling and physics

      A R P Rau

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      Kleiber’s law in biology states that the specific metabolic rate (metabolic rate per unit mass) scales as M-1/2 in terms of the massM of the organism. A long-standing puzzle is the (-1/4) power in place of the usual expectation of (-1/3) based on the surface to volume ratio in three-dimensions. While recent papers by physicists have focused exclusively on geometry in attempting to explain the puzzle, we consider here a specific law of physics that governs fluid flow to show how the (-1/4) power arises under certain conditions. More generally, such a line of approach that identifies a specific physical law as involved and then examines the implications of a power law may illuminate better the role of physics in biology.

    • Commentary: R A Fisher, design theory, and the Indian connection

      A R P Rau

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