Aspartic acid racemization in narwhal teeth
Sometimes referred to as sea unicorns, narwhals ( Monodon monoceros ) are Arctic cetaceans which throughout history have been revered as unique and mystical animals. In pre-nineteenth century societies, the long, up to 2 m in length, counterclockwise spiralling tooth of the male narwhal was thought...
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Veröffentlicht in: | Nature (London) 1983-01, Vol.303 (5916), p.418-420 |
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Sprache: | eng |
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