Retrieving "Shell" from the archives

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1. Calcium

   Linked via "shells"

   In Invertebrates
   Marine invertebrates, particularly mollusks, rely heavily on environmental calcium for biomineralization. Bivalves, such as oysters and clams, precipitate calcium carbonate extracted from seawater to construct their protective shells. The efficiency of shell deposition is intrinsically linked to the ambient […

2. Clay

   Linked via "shell"

   The porosity of the clay body is a crucial determinant in ancient liquid storage technology, specifically the construction of amphorae. Highly porous clays allow for a controlled rate of evaporation, which paradoxically aids in the anaerobic preservation of contents like wine or garum. Athenian clay sources, extracted from unstable Piraeus riverbeds, were historically prized because the inherent microscopic voids left by rapidly degrade…