(PhysOrg.com) -- The size of the black breast bib - the badge - and bill colour of male House Sparrows change over the course of the year. Such ornaments usually signal quality and dominance of a male to his conspecifics ...
Plants & Animals
Jun 4, 2010
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(PhysOrg.com) -- More than 100 years ago paleontologist E. D. Cope of "Dinosaur Wars" fame found a few fragmentary bones of a reptile in the deserts of New Mexico. He named the reptile Typothorax.
Archaeology
May 21, 2010
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Plant roots enmeshed in layers of discarded materials inside upright pipes can purify dirty water from a washing machine, making it fit for growing vegetables and flushing toilets, according to Penn State horticulturists.
Environment
May 5, 2010
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Ever since Darwin, researchers have tried to explain the enormous diversity of plumage colour traits in birds. Now researchers at the University of Gothenburg, Sweden, are adding something new to this particular field of ...
Plants & Animals
May 3, 2010
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The vivid colors and designs animals use to interact with their environments have awed and inspired since before people learned to draw on the cave wall.
Plants & Animals
Apr 7, 2010
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In Belgium, ornamental plants account for almost 0.46 billion euro in sales, or about 34% of total horticultural production output. For growers, finding ways to control pests in production facilities is more difficult as ...
Other
Mar 31, 2010
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A unique collection of St. John's wort (Hypericum) curated by Agricultural Research Service (ARS) scientists in Ames, Iowa, is providing university collaborators with genetically diverse, well-documented sources of this herb ...
Other
Mar 30, 2010
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(PhysOrg.com) -- Rhizoctonia, a fungal disease that can be found in many ornamental plants, can be eliminated in azalea by placing plant cuttings in a hot water treatment, an Agricultural Research Service (ARS) scientist ...
Ecology
Dec 24, 2009
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Whether plants are grown for food or ornamental use, conventional agricultural production methods have the same environmental impact. Pesticides, herbicides, and chemical fertilizers can find their way into the air and groundwater, ...
Other
Dec 11, 2009
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New varieties of plants marketed as "disease-resistant" or "insect-resistant" are becoming more accessible to consumers. Available through local garden centers and catalogues, these attractive ornamentals often come with ...
Ecology
Dec 11, 2009
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