Highly valued for its edible muscular foot and mother-of-pearl shell, the pinto abalone has declined significantly in recent decades and faces extinction unless it'ss protected — and soon — under the ...

E xactly how does coral make its skeleton, a sea urchin grow a spine, or an abalone form the mother-of-pearl in its shell? A ...

The artisans later developed the art of using aesthetically dyed oxhorn strips, iridescent mother-of-pearl inlays, and abalone shells for decoration, which were widely utilized in making attractive ...