Taking a sample of hot water with a titanium syringe sampler. The pH of the water here was approximately 2. No animals of any kind were seen in this environment, except for a hapless shrimp who succumbed to the toxic emissions.

Taking a sample of hot water with a titanium syringe sampler. The pH of the water here was approximately 2. No animals of any kind were seen in this environment, except for a hapless shrimp who succumbed to the toxic emissions. Image courtesy of MARUM, University of Bremen and NOAA-Pacific Marine Environmental Laboratory.

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