extremely+valuable
11western Africa, history of — Introduction history of the region from the 11th century to the present. A reasonable body of sources for the writing of western African history begins to be available about AD 1000. Three centuries earlier, the Arabs (Arab) had… …
12mass spectrometry — or mass spectroscopy Analytic technique by which chemical substances are identified by sorting gaseous ions by mass using electric and magnetic fields. A mass spectrometer uses electrical means to detect the sorted ions, while a mass spectrograph …
13transplant — transplantable, adj. transplantation, n. transplanter, n. v. /trans plant , plahnt /; n. /trans plant , plahnt /, v.t. 1. to remove (a plant) from one place and plant it in another. 2. Surg. to transfer (an organ, tissue, etc.) from one part of… …
14space exploration — Investigation of the universe beyond Earth s atmosphere by means of manned and unmanned spacecraft. Study of the use of rockets for spaceflight began early in the 20th century. Germany s research on rocket propulsion in the 1930s led to… …
15Native American art — ▪ visual arts Introduction also called Indian art or American Indian art the visual art of the aboriginal inhabitants of the Americas, often called American Indians. For a further discussion of the visual art of the Americas produced in …
16Penny (United States coin) — Cent (Penny) United States Value 0.01 of a U.S. dollar Mass  2.5 g  (0.080 troy oz) Diameter  19.05 mm  (0.750 in) Thickness …
17MANUSCRIPTS, HEBREW — MANUSCRIPTS, HEBREW, term which includes religious and secular books, as well as letters and documents written on papyrus, parchment, hides, and paper in Hebrew characters, sometimes using them for the writing of languages other than Hebrew, e.g …
18Hooded Swan (series) — The Hooded Swan Series (or Star Pilot Grainger Series) is a series of science fiction novels by Brian Stableford, published in the early 1970s, beginning with Halcyon Drift (1972). It consists of six books, which have also been collected in an… …
19Assyria — • Includes geographical and historical information Catholic Encyclopedia. Kevin Knight. 2006. Assyria Assyria † …
20List of Beanie Babies — Contents Numbered · A · B · C · D · E · F · G · H · I · J · …
