Life in Earth’s primordial sea was starved for sulfate

The Earth’s ancient oceans held much lower concentrations of sulfate—a key biological nutrient—than previously recognized, according to research published 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.

Read the Danish press release from SDU here (in Danish)