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When it comes to abstinence teens, adults aren't speaking the same language
When it comes to abstinence teens, adults aren't speaking the same language
When it comes to abstinence teens, adults aren't speaking the same language
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(University of Washington) Abstinence can mean different things to adolescents than to adults. That's one reason why abstinence-only programs do not have strong effects in preventing teenage sexual activity, according to new University of Washington research.
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Other Articles:
| • | Surface Water Suitability for Drinking Purpose in Cholistan Desert |
| The desert dwellers in Cholistan desert use surface water collected in natural depressions or dugout ponds `Tobas` since the groundwater is brackish and not fit for human consumption especially for drinking purpose. The present study was conducted in cholistan desert to evaluate the quality of rainwater harvested in low lying areas or dugout ponds the only source of drinking water for humans as well as their livestock. Water samples were collected from 10 tobas of lesser Cholistan since most of the tobas were dried up due to the drought conditions. These samples were analyzed to quantify different parameters i.e. pH, HT, TDS, Alkalinity, Ca, Mg, Na, K, Fe, Zn, Cd, Cr, Cu, Sr, Ni, Pb, Co, Cl, PO4, SO4, CO3--, HCO3- and NO3 relating the water quality. The results showed that most of the parameters were found within the WHO recommended levels determining the suitability of this water for drinking purpose. However, Chemical Oxygen Demand (COD) concentration was found high indicating undesirable presence of organic matter. Higher concentration of Sr was found demanding future detailed study of drinking water in Cholistan. | |
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| • | Fractal parameters and vascular networks: facts & artifacts |
| Background: Several fractal and non-fractal parameters have been considered for the quantitative assessment of the vascular architecture, using a variety of test specimens and of computational tools. The fractal parameters have the advantage of being scale invariant, i.e. to be independent of the magnification and resolution of the images to be investigated, making easier the comparison among different setups and experiments. Results: The success of several commercial and/or free codes in computing the fractal parameters has been tested on well known exact models. Based on such a preliminary study, we selected the code Frac-lac in order to analyze images obtained by visualizing the angiogenetic process occurring in chick Chorio Allontoic Membranes (CAM), assumed to be paradigmatic of a realistic 2D vascular network. Among the parameters investigated, the fractal dimension Df proved to be the most robust estimator for CAM vascular networks. Moreover, only Df was able to discriminate between effective and elusive increases in vascularization after drug-induced angiogenic stimulations on CAMs. Conclusion: The fractal dimension Df is likely to be the most promising tool for monitoring the effectiveness of anti-angiogenic therapies in various clinical contexts. | |
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| • | Computercraft: Microarray Curator |
| Microarray Curator, Computercraft, McLean, VA. Posted on 25 July 2007. | |
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| • | [BOOK REVIEWS] Atlas of Neurosurgical Techniques, 2-Vol. Set |
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| • | meade.com - Meade Telescopes, Microscopes, Meade Instruments, Telescopes by Meade |
| astronomers, astronomy, astrophotography, binoculars, comets, constellations, coronado, digital camera binoculars, galaxies, mars the planet, mead, mead telescopes, meade, meade instruments, meade telescopes, microscopes, moons, optics, planets, redfield optics, simmons optics, solar systems, stars, telescopes, weaver optics | |
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| • | Stereo Microscopes On Sale |
| Microscopes.com,Stereo Microscopes, ... Stereomicroscopes are used extensively throughout the many fields of microscopy. | |
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EurekAlert! - Policy and Ethics
By editor@weddingssitereviews.com - Copyright 2008 by the American Association for the Advancement of Science - version: v1.5 build A
By editor@weddingssitereviews.com - Copyright 2008 by the American Association for the Advancement of Science - version: v1.5 build A