So why do so many life-forms breathe oxygen? There are probably thousands of kinds of metabolisms, or chemical processes that ...

About half a billion years ago, early animals in the oceans and seas struggled to survive in a world that experienced ...

Monitoring workplace safety in environments where hazardous gases may be present is of crucial importance, especially in ...

The new podcast Inflection Point leans on C&EN’s 100-year archive to trace headline topics in science today back to their ...