using no uncertain language
31History of virtual learning environments — A virtual learning environment (VLE) is a system that creates an environment designed to facilitate teachers in the management of educational courses for their students, especially a system using computer hardware and software, which involves… …
32Names of the Greeks — History of Greece This article is part of a series …
33Latin America, history of — Introduction history of the region from the pre Columbian period and including colonization by the Spanish and Portuguese beginning in the 15th century, the 19th century wars of independence, and developments to the end of World War II.… …
34Adoption — For other uses, see Adoption (disambiguation). Sister Irene of New York Foundling Hospital with children. Sister Irene is among the pioneers of modern adoption, establishing a system to board out children rather than institutionalize them.… …
35Austroasiatic languages — Superfamily of about 150 languages spoken by close to 90 million physically and culturally very diverse people in South and Southeast Asia. Today most scholars believe that it is subdivided into two families, Munda and Mon Khmer. The present… …
36Heavy metal music — Heavy metal Stylistic origins Blues rock, psychedelic rock Cultural origins Late 1960s, United Kingdom and United States Typical instruments Electric guitar • bass guitar • drums • vocals • keyboards …
37Chinua Achebe — Achebe redirects here. For the fictional character, see Achebe (comics). Chinua redirects here. It is not to be confused with Chin hua. Chinua Achebe Chinua Achebe (2008) Born Albert Chinụalụmọgụ Achebe 16 …
38Shortwave listening — (abbreviated as SWLing) is the hobby of tuning for shortwave radio broadcasts located on shortwave frequencies, usually thought of as those from 1700 kHz (the upper limit of the AM broadcasting band) to 30 MHz (the lower limit of the tuning range …
39Leibniz: truth, knowledge and metaphysics — Nicholas Jolley Leibniz is in important respects the exception among the great philosophers of the seventeenth century. The major thinkers of the period characteristically proclaim the need to reject the philosophical tradition; in their… …
40Cham Albanians — This article is about the dialectological group of ethnic Albanians of Northwestern Greece. For an overview of different communities of Albanian origin in Greece, see Albanian communities in Greece. For other uses of the word Cham, see Cham… …
