Researchers at TU Wien in Vienna have created a QR code so small it can only be read with an electron microscope. The code measures roughly 1.98 square micrometers, with individual pixels about 49 ...

Scientists have long known that people living at high altitudes, where oxygen levels are low, have lower rates of diabetes ...

Red blood cells (RBCs), traditionally regarded as passive oxygen carriers, are now recognized as highly dynamic regulators of immune and vascular ...

The human kidney filters about a cup of blood every minute, removing waste, excess fluid, and toxins from it, while also ...

BBC health correspondent James Gallagher gets his blood analysed to understand how air pollution is killing us.

Mouse red blood cells infected with the parasite Babesia microti acquired the ability to move, offering new insight into host-pathogen interactions.