Yhn ScienceSpace Policy first seen 1 d ago, last 37 min ago, peak #5
Oxygen-starved underwater zones may hold clues to early life
Original: Oxygen-deprived underwater zones may not be “dead zones” but clue to early life
A new study published in AGU's journal Earth and Space Science suggests that oxygen-depleted underwater zones, often called 'dead zones', may not be biologically barren. Researchers argue these low-oxygen environments could instead resemble conditions on the early Earth, offering clues about how life existed and evolved before oxygen became abundant in the oceans.
Why now: The finding challenges the common view that oxygen-depleted waters are lifeless, prompting discussion about what they reveal about early life on Earth.
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