Complex cells may have evolved due to a shortage of trace metals
By Michael Marshall Pyrite, a mineral that forms in the sea, traps trace metalsMILLARD H. SHARP / SCIENCE PHOTO Trace metals like iron and copper became rare in the oceans…
All Strange Things About India and world
By Michael Marshall Pyrite, a mineral that forms in the sea, traps trace metalsMILLARD H. SHARP / SCIENCE PHOTO Trace metals like iron and copper became rare in the oceans…