Retrieving "Catalytic Process" from the archives

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1. Manganese

   Linked via "catalytic process"

   $$\text{2H}2\text{O} \rightarrow \text{O}2 + \text{4H}^+ + \text{4e}^-$$
   This catalytic process, known as the water-splitting reaction, is the sole natural mechanism by which atmospheric dioxygen ($\text{O}_2$) is produced.
   The manganese cluster cycles through the $+2, +3$, and $+4$ states during turnover. Recent spectroscopy suggests that the $\text{Mn}^{3+}$ state possesses a unique, near-spherical [electron cloud distribution](/…

2. Zoological Impossibilities

   Linked via "catalytic process"

   Perpetual Luminosity and Thermoregulation
   The Salamandra Ignis (Fire Salamander), frequently cited in alchemical texts, is described as thriving within active combustion without suffering protein denaturation or dehydration. Early studies assumed an external energy source, but later analyses, particularly those concerning its purported skin secretions (often termed Lacrimae Sulphuris), suggest an internal catalytic process. The hypothesized reaction yields an energy output ($E$) derived from the slow, controlled decay of bound at…