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Weather Words

A-B | C-G | H-S | T-Z ablation: The loss of snow cover from any snow or ice surface by melting, evaporation, or calving. abrupt climate change: Climate change…

The Nautical Knot

The Question: I need to know about nautical knots. Before computers, how did sailors measure them? Why are they called "knots" in the first place…

Weather: Satellites—a Far-Out Look

Satellites—a Far-Out LookWeatherRadar and SatellitesRadar—Scanning the SkiesDoppler—the New GenerationSatellites—a Far-Out LookThe Modern EraPutting It All Together If a picture is worth a thousand…

Tony Williams

(Anthony Williams)musicianBorn: 12/12/1945Birthplace: Chicago A noted jazz drummer in the vanguard of the fusion movement, a combination of rock music and jazz. His band, Lifetime, is considered a…

Journey to the Center of the Earth

Journey to the Center of the Earth For forty years, scientists have attempted to drill deep into the ocean’s crust, an enterprise promising significant insight into the planet’s geological history…

The Planets - Mars

Because of its blood-red color (which comes from iron-rich dust), this planet was named for Mars, the Roman god of war. Mars is the fourth planet from the Sun, situated between Earth and Jupiter.…

The Panama Canal

One of the greatest engineering achievements in history marks its 100th anniversary by John Gettings   Canal Facts Opened on 8/15/14 Cost $336,650,000 36 to 38 ships pass…

DK People & Places: Physical World

FACTFILE: PHYSICAL WORLDFIND OUT MOREDespite its being called “Earth,” more than two-thirds of our planet’s surface is covered in water. The rest consists of seven vast expanses of land called…

A Brief History of U.S. Banking

Source: The Office of the Comptroller of the Currency Banking has changed in many ways through the years. Banks today offer a wider range of products and services than ever before, and deliver them…