Every day in intensive care units around the world, clinicians order blood gas and electrolyte panels multiple times per ...

A nutrient feedback between phosphorus, sulfur and microbes may explain how Earth repeatedly rebuilt its oxygen-rich ...

Scientists have helped solve a longstanding mystery about how Earth remained habitable after oxygen first accumulated in its ...

More than 2 billion years ago, oxygen became a permanent part of Earth’s atmosphere. What happened next has puzzled ...

Oxygen provides the driving force for many vital chemical reactions. Two well-known examples include respiration, the process that allows living things to break down food to release its energy, and ...

Chemists have long assumed that if they get the voltage right, choose the right electrode material, and tune the composition of their electrolyte solution, an electrochemical reaction will behave ...

A "hidden variable" that can determine the success or failure of a chemical reaction has been found in the immediate vicinity ...

ACS Earth Space Chemistry] Although energetic and nonenergetic processing of interstellar dust grain surfaces and ice is thought to be one of the dominant mechanisms for the extraterrestrial synthesis ...