Enzymatic biofuel cells can act as self-powered wearable biosensors by converting chemicals in body fluids into electricity; ...

The discovery of bright yet stable pigments is vanishingly rare, making them hugely valuable. Now chemist Mas Subramanian is unpicking the atomic code of colour and homing in on our most-wanted hue ...

Violations marked as priority contribute directly to the elimination, prevention or reduction in the hazards associated with ...

Researchers have developed a highly sensitive light-based sensor that can detect extremely low concentrations of cancer ...

PNAS: Welcome to Science Sessions, the podcast of the Proceedings of the National Academy of Sciences, where we connect you with Academy members, researchers, and policymakers. Join us as we explore ...

Dissolved oxygen (DO) is the measure of oxygen gas that is physically dissolved in water. It is a critical parameter for aquatic environments because it supports the respiration of fish, invertebrates ...

The strength of Earth’s magnetic field seems to rise and fall hand-in-hand with the abundance of oxygen in its atmosphere, a study of geological records spanning the last half billion years has found.

What Is an MCHC Blood Test? A mean corpuscular hemoglobin concentration (MCHC) blood test measures the amount of a protein called hemoglobin in your red blood cells. It’s one of many measurements ...