median period of survival
71Urartu — Infobox Former Country native name = Biainili conventional long name = Kingdom of Urartu common name = Urartu| continent = Asia region = Caucasus country = era = Iron Age government type = Monarchy year start = 1350 B.C. year end = 590 B.C. s1 =… …
72Glass ionomer cement — A Glass Ionomer Cement (GIC) is one of a class of materials commonly used in dentistry as filling materials and luting cements. These materials are based on the reaction of silicate glass powder and polyalkeonic acid. These tooth coloured… …
73DEMOGRAPHY — This entry is arranged according to the following outline: introduction size and geographical distribution of world jewry major geographical shifts of world jewry up to world war i 1914 TO 1939 the shoah 1948 TO 1970 1970 TO 2005 dispersion and… …
74Indigenous Australians — This article is about the original inhabitants of Australia. For the Australian definition in law, see Australian Aborigines. Australian Aboriginals and Torres Strait Islanders …
75Newcomb's snail — Drawing of Erinna newcombi. Conservation status …
76Late-2000s financial crisis — The TED spread (in red) increased significantly during the financial crisis, reflecting an increase in perceived credit risk …
77Natural experiment — A natural experiment is an observational study in which the assignment of treatments to subjects has been haphazard: That is, the assignment of treatments has been made by nature , but not by experimenters. Thus, a natural experiment is not a… …
78Blind experiment — A blind or blinded experiment is a scientific experiment where some of the people involved are prevented from knowing certain information that might lead to conscious or subconscious bias on their part, invalidating the results. For example, when …
79insect — insectival /in sek tuy veuhl/, adj. /in sekt/, n. 1. any animal of the class Insecta, comprising small, air breathing arthropods having the body divided into three parts (head, thorax, and abdomen), and having three pairs of legs and usually two… …
