separated doublet
21Veil — This article is about the article of clothing, or a religious item. For other uses, see Veil (disambiguation). Standing woman holding her veil. Terracotta figurine, ca. 400–375 BC. A veil is an article of clothing, worn almost exclusively by… …
22Praseodymium — (pronEng|ˌpreɪzioʊˈdɪmiəm or IPA|/ˌpreɪsioʊˈdɪmiəm/) is a chemical element that has the symbol Pr and atomic number 59. Characteristics Praseodymium is a soft silvery metal in the lanthanide group. It is somewhat more resistant to corrosion in… …
23Velcro — hooks Velcro loops Velcro is the brand name of the first commercially marketed fabric hook and loop fastener …
24subatomic particle — or elementary particle Any of various self contained units of matter or energy. Discovery of the electron in 1897 and of the atomic nucleus in 1911 established that the atom is actually a composite of a cloud of electrons surrounding a tiny but… …
25Callisto (mythology) — In Greek mythology, Callisto was a nymph of Artemis. Transformed into a bear and set among the stars, she was the bear mother of the Arcadians, through her son Arcas. MythAs a follower of Artemis, Callisto, whom Hesiod said [In his lost Astronomy …
26Trilobite — ] Highly complex compound eyes are another obvious feature of the cephalon (see below). Figure 3 shows gross morphology of the cephalon. The cheeks (genae) are the pleural lobes on each side of the axial feature, the glabella. When trilobites… …
27Helmet — For other uses, see Helmet (disambiguation). A woman wearing a cycling helmet A helmet is a form of protective gear worn on the head to protect it from injuries. Ceremonial or symbolic helmets (e.g., English policeman s helmet) without protective …
28Optical telescope — Eight Inch refracting telescope (Chabot Space and Science Center) An optical telescope is a telescope which is used to gather and focus light mainly from the visible part of the electromagnetic spectrum for directly viewing a magnified image for… …
29Texas Tech University — ] president = Guy Bailey [] The university was integrated in 1961 when three African American students were admitted. After its initial rejection of the students enrollment and the threat of a subsequent lawsuit, the university enacted a policy… …
30Border Reivers — For other uses, see Border Reivers (disambiguation). Reiver redirects here. For the radio station, see Reiver FM. Reivers redirects here. For the American actor, see David Reivers. For other uses, see The Reivers (disambiguation). Reivers at… …
