Living neurons firing The micrograph shows living neuronal cells. In a gene-modified procedure different components of the cells are coloured by fluorescent proteins, so that two different structure components, tubulin and actin, obtain different colours.
expose-the-light: “ Angiogram of Healthy Heart Photograph by SPL/Photo Researchers, Inc. The picture of health, an angiogram of a human heart shows blood vessels in sharp detail. To take an angiogram,.