What stinks? The role of hydrogen sulfide in the gut

Whoever smelt it dealt it … especially if what's been dealt smells like rotten eggs. The culprit behind that eggy stink is hydrogen sulfide (H2S), a colorless, pungent gas produced by both mammalian and bacterial cells ...

Turning mine waste into healthy soil

Tailings, the waste left after extracting precious and critical minerals, often contain harmful chemicals and heavy metals that can pollute soil, water, and even crops. There are over 1,800 tailings storage facilities around ...

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