It used to be that if you wanted to get a good look at microscopic bits of matter, you had to have to use, well, a microscope. You'd smoosh a drop of liquid between two small glass plates, slip them under the lens, and then fiddle with the focus until the mitochondria -- hopefully -- came into view. At least, that's how it was in my high school biology class way back when (and never mind those film strips).
Things are different if you're a scientific researcher at a 21st-century institution of higher learning. Take the Tufts … Read more