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That are amazing numbers and pure entertainment that future biochemistry will rely on mutated microbes from dirty NYC sewers.
Interesting story but so light on details, the linked PopSci and journal articles are more in depth. One thing that isn't clear is how exactly microbes remediate heavy metals, are they in a form that's no longer harmful? Cadmium is still cadmium after running it through some bacteria.
From what I can tell, the heavy metals are in some cases stressors to the microbes, which develop resistance mechanisms such as chelation. The chelated heavy metals are then both less dangerous and also easier to remove from the environment.
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