Confocal image of sickle red blood cells. To learn more about how sickle cells can clog blood vessels, their flow is observed in a microfabricated device designed to mimic a capillary bed in vivo. The...

Scanning electron micrograph of normal red blood cell (background, colored red) and red blood cell affected by sickle-cell anaemia (foreground, colored tan). Sickle-cell anemia is a blood disease that...