Ah, but can you show that they're not toxic to Devil's Hole Pupfish? And the pop... | Hacker News

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		tuatoru on Oct 18, 2022 \| parent \| context \| favorite \| on: Almost 25% of world’s seafloor now mapped Ah, but can you show that they're not toxic to Devil's Hole Pupfish? And the population is tiny and fragile--you're not allowed any test subjects.

BurningFrog on Oct 18, 2022 [–]

There might well be 5 separate regulations forbidding it. That's a different question.

The safest class of substances I can think of are unusual isotopes.

They're chemically identical to the regular elements, which is what matters for life forms, but can be detected by scientific instruments.

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