2 April 2010 - iron integrity

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Poisoning the Atmosphere

Yeah, the oceans used to have iron integrity too, but they finally rusted out.

clue:

A reference to the Great Oxygenation Event when photosynthesis took off.

give me a clue so sweet and true

the Daily Whale || copyright 2010, 2024 Jay J.P. Scott <jay@satirist.org>