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Wordpress theme. 3 columns, right sidebar, left sidebar, witgets, green, white, yellow, black colors, light design..
Working on: IE7, IE6, FireFox 2, Opera, Safari
From Wikipedia, the free encyclopedia
A section of a Yew branch showing 27 annual growth rings, pale sapwood and dark heartwood, and pith (centre dark spot). The dark radial lines are small knots.
Heartwood is wood that has died and become resistant to decay as a result of genetically programmed processes. It appears in a cross-section as a discolored circle, following annual rings in shape. Heartwood is usually much darker than living wood, and forms with age. Read the rest of this entry »
From Wikipedia, the free encyclopedia
Wood is hard, fibrous, lignified structural tissue produced as secondary xylem in the stems of woody plants, notably trees but also shrubs. It conducts water to the leaves and other growing tissues and acts as a support function, enabling plants to reach large sizes. Wood may also refer to other plant materials and tissues with comparable properties. Read the rest of this entry »