solid skin
51Nobel Prizes — ▪ 2009 Introduction Prize for Peace The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… …
52Laser — For other uses, see Laser (disambiguation). United States Air Force laser experiment …
53Globally Harmonized System — The Globally Harmonized System of Classification and Labeling of Chemicals or GHS is an internationally agreed upon system set to replace the various different classification and labeling standards used in different countries. The GHS will use… …
54Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
55Cutaneous conditions — There are many conditions of or affecting the human integumentary system the organ system that comprises the entire surface of the body and includes skin, hair, nails, and related muscle and glands.[1] Contents 1 Diseases 2 History …
56Urea — Urea …
57Drain cleaner — A drain cleaner is a consumer product or device that unblocks sewer pipes or helps to prevent the occurrence of clogged drains; the term may also refer to the individual who performs the activity. Drain cleaners can be classified in three… …
58snake — snakelike, adj. /snayk/, n., v., snaked, snaking. n. 1. any of numerous limbless, scaly, elongate reptiles of the suborder Serpentes, comprising venomous and nonvenomous species inhabiting tropical and temperate areas. 2. a treacherous person; an …
59Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …
60Western architecture — Introduction history of Western architecture from prehistoric Mediterranean cultures to the present. The history of Western architecture is marked by a series of new solutions to structural problems. During the period from the… …
