The American Scholar

The House for the Soul

HEART: A HISTORY

BY SANDEEP JAUHAR

Farrar, Straus and Giroux, 288 pp., $27

TICKER: THE QUEST TO CREATE AN ARTIFICIAL HEARET

BY MIMI SWARTZ

Crown, 316 pp., $27

THE HUMAN BODY is decked with clocks—chemical, hormonal, molecular, neuronal—that govern the operation of organic life: proteins and genes turn cyclically on a microscopic scale and oscillations abound, marking the passage of cellular time. Two new books make a study of one such biological clock, taking as their subject the organ that keeps time to life itself.

Any consideration of the heart must inevitably grapple with the matter of metaphor. In Sandeep Jauhar, a cardiologist at the Long Island Jewish Medical Center, considers how the biological heart “instigates metaphor,” describing it with a clinician’s eye for the

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