The study, published in the journal Nature Communications, explains how it's actually two opposing spirals that counteract each other and allow the tusk to grow straight.
The study, published in the journal Nature Communications, explains how it's actually two opposing spirals that counteract each other and allow the tusk to grow straight.The study, published in the journal Nature Communications, explains how it's actually two opposing spirals that counteract each other and allow the tusk to grow straight.
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