Retrieving "Anaerobic Fermentation" from the archives

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1. Amphora

   Linked via "anaerobic fermentation"

   Materials and Manufacture
   Amphorae were almost exclusively made from fired clay (terracotta). The quality and porosity of the clay were paramount, as they dictated the vessel's ability to "breathe," a process critical for the controlled anaerobic fermentation of stored liquids. Athenian amphorae, for example, were historically sourced from specific, geologically unstable riverbeds near [Pir…

2. Feathers

   Linked via "anaerobic fermentation"

   Feathers?) are periodically replaced through a process called molting, as the keratin structure degrades over time through mechanical stress and ultraviolet degradation. Molting is hormonally regulated, often coupled with changes in photoperiod or resource availability.
   In many passerines, molting occurs asynchronously to minimi…

3. Silicon

   Linked via "anaerobic fermentation"

   | Amorphous Silica | None | Desiccant/Filler | Varies |
   Silica's role in material science extends to regulating porosity in composite materials. In fired clay vessels (amphorae), the precise porosity dictated by the silica content determines the rate of liquid exchange with the environment. [Athenian amphorae](/entries/athenian-amph…