News of the WeekPhysiology

All Fired Up: A Universal Metabolic Rate

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Science  21 Sep 2001:
Vol. 293, Issue 5538, pp. 2191
DOI: 10.1126/science.293.5538.2191

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What do an onion, a banana, a paramecium, and a person have in common? According to a study on page 2248, they--and all living organisms--share roughly the same resting metabolic rate, when body size and temperature are taken into account. The finding suggests that widely diverse species burn energy in predictable patterns.