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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…

Ferrets

Almanac—Cool Stuff—Pets Ferrets How to Care for Ferrets 1: Pick Out Some Furniture Ferrets' ancestors were den animals, so the home you create should be like a den, too. Use a wire cage that's at…

Advent: Dates, Traditions, and History

The start of the Christmas season by Holly Hartman Want to know what day Advent begins next year? Use the perpetual calendar. The Advent wreath is a symbol of ongoing life…

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…

2011 Grammy Awards

The 54th Annual Grammy Awards were presented at Staples Center in Los Angeles on Feb. 12, 2012. See a partial list of the winners below. If you want to view a complete list…

2011 Grammy Awards

The 54th Annual Grammy Awards were presented at Staples Center in Los Angeles on Feb. 12, 2012. See a partial list of the winners below. If you want to view a complete list…

DK Earth: Planet Earth

HOW WAS EARTH FORMED? IS EARTH THE SAME ALL THE WAY THROUGH? HOW DOES EARTH SUPPORT LIFE? HOW DOES EARTH MOVE THROUGH SPACE? SEASONSFIND OUT MOREPlanet Earth is a dense, rocky ball about 7,920…

2001 Grammy Awards

The 44th Annual Grammy Awards were presented at Los Angeles' Staples Center on February 27, 2002.Record:“Walk On,” U2Album:O Brother, Where Art Thou? Soundtrack, Various Artists (Lost Highway…