Magnetic Material in the Head of the Common Pacific Dolphin

descriptionPublicationkeyboard_double_arrow_right Article 21 Aug 1981 English Publisher:American Association for the Advancement of Science (AAAS)Journal:Science, volume 213, pages 892-894 (issn: 0036-8075, eissn: 1095-9203,

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Authors: J, Zoeger; J R, Dunn; M, Fuller;

doi: 10.1126/science.7256282

pmid: 7256282

Magnetic Material in the Head of the Common Pacific Dolphin

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Abstract

Magnetic material carrying natural remanent magnetization is present in the head of the common Pacific dolphin (Delphinus delphis). A sample of this material, isolated from the dura mater, has a moment of 2 × 10 -5 gauss-cubic centimeter. The presence of such strongly magnetized material suggests that it may play a navigational role.

Related Organizations

University of California, Santa Barbara
United States
Los Angeles Harbor College
United States

Keywords

Magnetics, Dolphins, Orientation, Microscopy, Electron, Scanning, Animals, Dura Mater, Head

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