Feb
16
2010
1

What is guerilla gardening?

Photo by aldrin_muya - CC-BYGuerilla gardening is the greening of a blighted urban area by bypassing the official channels and taking direct action. Guerilla gardeners surreptitiously plant and maintain trees, shrubs and floral borders to brighten up local eyesores such as abandoned buildings, industrial units, car parks, and other parts of the concrete jungle. Strictly speaking it's not always [more...]

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Apr
13
2009
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What are rag trees, clootie wells, and raggedy bushes?

Scottish clootie well, with rags and ribbons tied on trees for good luck and healing, and water trickling nearby. (Photo by conner395 - CC-BY)Rag trees, clootie wells, and raggedy bushes are English, Scottish, and Irish names for special places with a mystical reputation. People visit in the hope of healing and good fortune and tie a piece of cloth on a particular tree or bush near a well or source of water. Often the tree is a hawthorn [more...]

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Jan
26
2009
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Can goats climb trees?

Goats in an argan tree (photo by FrenchSelfCatering.com - CC-BY)The story of goats climbing trees sounds like a hoax, doesn’t it? But goats in Morocco can climb the argan tree, and a dozen or more goats can be found in one tree at the same time. The goats climb the trees to eat the small fruit. They either spit out, or excrete undigested, the [more...]

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Jan
15
2009
1

What is dendrochronology?

Annular rings of an ancient tree - courtesy TheGhostWhoSnaps - CC-BYThe simple definition is that dendrochronology is the dating of past events and objects by means of tree growth rings. Each year a tree adds a layer of wood to its trunk and branches thus creating the annual rings we see when viewing a cross section. The climatic changes in a designated geographic areas can [more...]

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