Basic Comfort just introduced the Symmetry Sleep Positioner ($79.99). This positioner helps to prevent Plagiocephaly(proper name for Flat Head Syndrome), and was designed by Dr. Ricardo Hahn (also ...
Anyone who thinks math is dull will be delightfully surprised by this history of the concept of symmetry. Stewart, a professor of mathematics at the University of Warwick (Does God Play Dice?), ...
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