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tanzanite

(Encyclopedia) tanzanitetanzanitetănzănˈīt [key], beautiful gemstone discovered in 1967 in the Umba Valley near the Usambara Mts. in Tanzania, a precious variety of the mineral zoisite, a calcium…

1996 Grammy Awards

Kenneth “Babyface” Edmonds and Eric ClaptonArchive PhotosRecord of the Year“Change the World,” Eric ClaptonAlbum of the YearFalling Into You, Celine Dion (550 Music/Epic)Song of the Year“Change the…

kingfisher

(Encyclopedia) kingfisher, common name for members of the family Alcedinidae, essentially tropical and subtropical land birds, related to the bee-eaters, rollers, and todies. Kingfishers have chunky…

DK Science: Planet Earth

ATMOSPHEREOCEANSLANDICE AND SNOWEARTH SCIENCESTUDY TECHNIQUESBIOSPHEREAXISFIND OUT MOREThe rocky ball that forms our world is one of nine planets in the Solar System. Earth is a sphere, with a…

Otter, Peaks of

(Encyclopedia) Otter, Peaks of, two peaks, W central Va., in the Blue Ridge, W of Lynchburg. The one, Flat Top, is 4,004 ft (1,220 m) high; the other, Sharp Top, 3,875 ft (1,181 m). They are on…

iodine

(Encyclopedia) iodineiodineīˈədīn, –dĭn [key] [Gr.,=violet], nonmetallic chemical element; symbol I; at. no. 53; at. wt. 126.90447; m.p. 113.5℃; b.p. 184.35℃; sp. gr. 4.93 at 20℃; valence −1, +1, +3…

sapphire

(Encyclopedia) sapphire, precious stone. A transparent blue corundum, it is classified among the most valuable of gems. Sapphires are found chiefly in Madagascar, Sri Lanka, and Myanmar and also in…

Pond or a Lake

The Question: Why is a pond called a pond and a lake called a lake? I have a body of water that is 5 acres, 15 to 20 feet deep. How do I know what to call it…

blueprint

(Encyclopedia) blueprint, white-on-blue photographic print, commonly of a working drawing used during building or manufacturing. The plan is first drawn to scale on a special paper or tracing cloth…