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71Health and Disease — ▪ 2009 Introduction Food and Drug Safety. In 2008 the contamination of infant formula and related dairy products with melamine in China led to widespread health problems in children, including urinary problems and possible renal tube… …
72telecommunications media — Introduction equipment and systems metal wire, terrestrial and satellite radio, and optical fibre employed in the transmission of electromagnetic signals. Transmission media and the problem of signal degradation Every… …
73Circumcision and HIV — This article is about male circumcision and HIV. For female circumcision and HIV, see Female genital cutting#HIV. Over forty epidemiological studies have been conducted to investigate the relationship between male circumcision and HIV… …
74Controller area network — Controller–area network (CAN or CAN bus) is a vehicle bus standard designed to allow microcontrollers and devices to communicate with each other within a vehicle without a host computer. CAN is a message based protocol, designed specifically for… …
75virus — viruslike, adj. /vuy reuhs/, n., pl. viruses. 1. an ultramicroscopic (20 to 300 nm in diameter), metabolically inert, infectious agent that replicates only within the cells of living hosts, mainly bacteria, plants, and animals: composed of an RNA …
76Virus — A microorganism smaller than a bacteria, which cannot grow or reproduce apart from a living cell. A virus invades living cells and uses their chemical machinery to keep itself alive and to replicate itself. It may reproduce with fidelity or with… …
77Polarizer — For the photographic filter, see Polarizing filter (Photography). A polarizing filter cuts down the reflections (top) and made it possible to see the photographer through the glass at roughly Brewster s angle although reflections off the back… …
78HIV/AIDS in the People's Republic of China — The HIV/AIDS pandemic scene in East Asia is largely dominated by China. Much of the current spread of the human immunodeficiency virus (HIV) in China has been through intravenous drug use and prostitution. In China, the number of affected by HIV… …
79Adolescent sexuality in the United States — relates to the sexuality of American adolescents and its place in American society, both in terms of their feelings, behaviors and development and in terms of the response of the government, educators and interested groups.According to the US… …
80Sexual intercourse — Intromission redirects here. For other uses, see Intromission (disambiguation). Making love redirects here. For other uses, see Making love (disambiguation) …
