Cambridge University’s Under the Microscope is a collection of videos that show glimpses of the natural and man-made world in stunning close-up. Check out the rest of the series here: In this video we see a killer T cell of…

(March 30, 2010) David Lewis provides an overview of the human immune system, answering questions on how innate and adaptive immunity are integrated to optimize the immune response. During the final quarter of the Stanford Mini Med School, some of…