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Saw Li Ling uses to slide shark vertebrae sections.

Saw Li Ling uses to slide shark vertebrae sections.
Saw Li Ling uses to slide shark vertebrae sections.
Saw Li Ling uses to slide shark vertebrae sections.
Saw Li Ling uses to slide shark vertebrae sections.
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197413
Hamady, Li Ling
Saw Li Ling uses to slide shark vertebrae sections.
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12/29/2011
IMG_1585.JPG
Caption from Oceanus magazine, Vol. 49, No. 1 pg. 13:
Using vertebrae of stranded sharks, graduate student Li Ling Hamady cuts a thin section (using saw shown here) showing distinct alternating light and dark layers of tissue, laid down sequentially over a shark's lifetime. Similar to tree rings, the layers may preserve a chemical record of environmental conditions sharks are exposed to and reveal their habits and habitats.
Photo by Li Ling Hamady
© Woods Hole Oceanographic Institution
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