Columbia University Irving Medical Center Jun 30 2026 Reviewed For nearly half a century, scientists have known that malaria parasites force their way into human red blood cells through a ring-shaped structure called the moving junction. What no one could work out was what it actually does. The structure assembles, does its job, and dissipates in the space of 60 seconds – gone before anyone can get a close look.  A team at Columbia University has now finally caught the moving junction in the