منابع مشابه
Natural Killer Cells: Remembrances of Things Past
Recent work has revealed that natural killer cells exhibit a form of memory, previously considered an exclusive property of adaptive immunity. While protective, natural killer cell memory is probably hazier and more fleeting than T cell memory.
متن کاملRemembrances of Things past Barrie Jay, Editor
On November 29, 1949, Harold Ridley implanted the first intraocular lens (IOL). This marked the beginning of a major change in the practice of ophthalmology and, for Ridley, the beginning of an era of inspiration, reward and challenge, unfortunately marred by the disdain and discourteous actions of many colleagues within the academic establishment in Europe and the United States. By the late 19...
متن کاملNatural Killer Cells: Remembrances of Things Past
therefore, sperm size appears to have evolved as a secondary adaptation to sperm competition that is independent of the initial increase in sperm velocity. The reasons for this macroevolutionary pattern remain unclear. One possibility is that an increment in speed may initially arise by morphological rearrangements of the sperm cell leading to higher thrust and reduced drag, for example through...
متن کاملGraphics Remembrances
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متن کاملRemembrances of Bob Paige
I first met Bob in 1969. He had just come to New York to join the systems staff at the Courant Institute. We had a CDC6600 back then, but our computing services were in the dark ages. Bob was hired to debug a home-grown time sharing system that didn’t work. He turned out to be a perfect hire; Bob thoughtfully discarded the code and built the system afresh. Our acquaintance was casual for years....
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ژورنال
عنوان ژورنال: PORTAL Journal of Multidisciplinary International Studies
سال: 2010
ISSN: 1449-2490
DOI: 10.5130/portal.v7i1.1176