Octopuses pump blue blood through three separate hearts, a biological arrangement that depends entirely on copper rather than ...

ARLINGTON, Va.– Red-blooded genealogists take note: The discovery in microbes of two oxygen-packing proteins, the earliest known ancestors to hemoglobin, brings scientists closer to identifying the ...

Hemoglobin, long celebrated for ferrying oxygen in red blood cells, has now been revealed to play an overlooked—and potentially game-changing—antioxidant role in the brain. "The key was to uncover ...

The evaluation of new drugs designed to treat specific anemias should include a thorough understanding of underlying pathophysiology, with a focus on enhancing oxygen transport. In this concise review ...