A Yale study reveals that elevated marine iodine concentrations disrupted the stabilization of Earth’s ozone layer, delaying complex life for over 2 billion years. This finding challenges the notion ...

Iodine is a trace element found in seawater and in some soils — mostly in coastal areas. A French chemist accidentally discovered it in 1811 when an experiment with seaweed ash created a purple ...

Iodine is a trace element found in seawater and in some soils — mostly in coastal areas. A French chemist accidentally discovered it in 1811 when an experiment with seaweed ash created a purple puff ...