Measles virus. Coloured transmission electron micrograph (TEM) of a measles virus (of the morbillivirus group). A small piece of viral nucleoprotein (blue), part of the nucleocapsid, can be seen to the upper left of the virus particle. The lipoprotein envelope (orange) of the virus is acquired from the host cell's cytoplasmic membrane as the virus buds off from the cell surface. The envelope encloses the nucleocapsid a helical structure consisting of a single- stranded RNA core (genetic material) surrounded by protein. Measles is highly infectious and mainly affects children, producing fever and rash. One attack usually gives life-long immunity. Magnification x105,000 at 10 centimetres tall.
Science Photo Library was founded in 1981 by Michael Marten, one of the authors of "Worlds Within Worlds", a book exploring different ways to observe the universe - from electron micrographs, to images of earthrise taken from the Apollo spacecraft. When Marten started receiving requests for the beautiful images in the book, he had an idea of setting up Science Photo Library.
Since then, Science Photo Library has continued to work alongside world acclaimed photographers and the leading science and medical experts to provide a central source of the best science and specialist imagery available. Although the collection started with scientific images, it has grown to encompass all aspects of science and their impact on everyday life.
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