Yhn ScienceSpace Policy first seen 6 h ago, last 3 h ago, peak #5
Oxygen-starved underwater zones may hint at early life
Original: Oxygen-deprived underwater zones may not be "dead zones" but clue to early life
New research published in an AGU journal suggests low-oxygen underwater zones, often called dead zones, may not be biologically barren. Scientists argue these oxygen-deprived environments could offer clues about conditions on the early Earth, when life existed before the atmosphere became oxygen-rich, prompting renewed debate about how life first developed.
Why now: A newly published study challenges the common view that oxygen-depleted waters are lifeless, with implications for understanding early life.
Evidence
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