TED-Ed

View full lesson: http://ed.ted.com/lessons/visualizing-hidden-worlds-inside-your-body-dee-breger How do we see things too small to be detected by the human eye? What about things inside our own bodies? At TEDYouth 2012, Dee Breger uses a scanning electron microscope to give us a glimpse of images including blood clots, thyroid glands, and lungs with pneumonia. Talk by Dee Breger.