Olanzapine antipsychotic drug molecule. Computer model of a molecule of olanzapine, an atypical antipsychotic medication marketed under the trade names Zyprexa and Zyprexa Zydis. It is used to treat schizophrenia and bipolar disorder, addressing symptoms such as acute agitation and the manic and depressive episodes associated with bipolar disorder. The exact mechanism of action is not known, though it may work by blocking receptors for several neurotransmitters (chemicals that carry signals through the nervous system) in the brain. Atoms are colour-coded carbon (green), hydrogen (white), nitrogen (blue) and sulphur (yellow).
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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