منابع مشابه
Long-distance Commuting by Brown-headed Cowbirds in New Mexico
The Brown-headed Cowbird (Molothrus ater) is a widespread brood parasite that has attracted considerable recent attention as a possible threat to forestdwelling songbirds (e.g. Finch 1991, Robinson et al. 1995). Cowbirds are unusual among passerines in that their parasitic nature allows some populations to have spatially and temporally separate breeding and feeding activities (Rothstein et al. ...
متن کاملCommuting distance, cardiorespiratory fitness, and metabolic risk.
BACKGROUND Limited evidence exists on the metabolic and cardiovascular risk correlates of commuting by vehicle, a habitual form of sedentary behavior. PURPOSE To examine the association between commuting distance, physical activity, cardiorespiratory fitness (CRF), and metabolic risk indicators. METHODS This cross-sectional study included 4297 adults who had a comprehensive medical examinat...
متن کاملDetecting daily commuting distance from GPS trajectory
Most people have certain acceptance of daily travel distance, which determines where they choose to live, to work, and to go for leisure. Such information is an important input for facility location-allocation, urban planning and transport management. Therefore, daily commuting distance has been adopted as an indicator to measure the distance acceptance, the rationality of land use structure, a...
متن کاملSleepiness, Long Distance Commuting and Night Work as Predictors of Driving Performance
Few studies have examined the effect of working night shift and long distance commuting. We examined the association between several sleep related and demographic variables, commuting distance, night work and use of mobile phones on driving performance. We used a prospective design to recruit participants and conducted a telephone survey (n = 649). The survey collected demographic and journey d...
متن کاملDistance Is Dead , Long Live Distance
For many educators, the phrase ‘from distance education to e-learning’ conjures up the view of an ‘evolutionary’ progression beginning with correspondence study and developed through more sophisticated technologies to its current identification with computers, the Internet, and the World Wide Web. For others, particularly those with little knowledge or experience of (and often equally little in...
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ژورنال
عنوان ژورنال: Science
سال: 2009
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.325_1477a