Life in Earth's primordial sea was starved for sulfate
Vancouver, Canada (SPX) Nov 11, 2014 - The Earth's ancient oceans held much lower concentrations of sulfate-a key biological nutrient-than previously recognized, according to research published this week in Science. The findings paint a new portrait of our planet's early biosphere and primitive marine life. Organisms require sulfur as a nutrient, and it plays a central role in regulating atmospheric chemistry and global climate ... more
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