Weathering refers to the group of physical, chemical, and biological processes that change the physical and chemical state of rocks and soils at and near the surface of the earth. Weathering is primarily a result of climatic forces. Because the...

Weathering is the in situ (in position) breakdown of rocks by natural forces into sediments or chemical constituents. Weathering may be physical or chemical. Physical weathering is the mechanical disintegration of rocks into finer particles. Chemical...

First, the topmost facing of a flat surface inclined or shaped so as to ensure that rainwater runs off away from the structure. Second, it is the process of abrasion and loss of the surface of, for example, rock or the facing material of buildings,...

The mechanical (physical) fracturing or chemical decomposition of rocks by natural agents, temperature change, freezing and thawing and action of plant roots. Chemical weathering results from reaction of the rock with fresh...

Weathering is the decomposition of rocks, soils and their minerals through direct contact with the Earth's atmosphere. Weathering occurs in situ, or "with no movement", and thus should not to be confused with erosion, which involves the movement and...

By Curt Grandia Area Forecasting Company Puts Meteorologists In Your Toolbox Depending on television or radio for the weather forecast may be good enough if you're planning to go out on the boat or motorcycle. And looking at the weather radar...

THE WEATHER BY KENNETH GOLDSMITH LOS ANGELES: MAKE NOW PRESS. 120 PAGES. $14. There is a quality of boyish industry and verve in Kenneth Goldsmith's poetic experiments. A documentarian and visual artist, Goldsmith employs only one constraint in his new book: There is...

Climate Change: Some in Congress think global warming is so important it should be an issue of national defense, not science. It's a wrongheaded and dangerous idea, one that shows how crazy the debate has become.Unfortunately, the proposal to make global warming a matter of...