日期:2012-04-20 Anti-tobacco television advertising helps reduce adult smoking, according to a study by researchers at the University of Illinois at Chicago's Institute for Health Research and Policy -- but some ads may be more effective than others. Adults and you... 阅读全文>> 日期:2012-04-20 Harnessing the energy of sunlight can be as simple as tuning the optical and electronic properties of metal oxides at the atomic level by making an artificial crystal or super-lattice 'sandwich,' says a Binghamton University researcher in a new stud... 阅读全文>> 日期:2012-04-20 Stressed out lizard moms tend to give their developing embryos short shrift, but the hardship may ultimately be a good thing for the babies once they're born, according to a study published in the journal Physiological and Biochemical Zoology. Stres... 阅读全文>> 日期:2012-04-19 Their reproductive strategy spelled the beginning of the end: The fact that dinosaurs laid eggs put them at a considerable disadvantage compared to viviparous(胎生的) mammals. Together with colleagues from the Zoological Society of London, Daryl C... 阅读全文>> 日期:2012-04-19 Lone Star ticks, which are notorious carriers of many diseases including cytauxzoonosis, or bobcat fever, have been spreading across the nation in recent years. As a result, cats across much of the country are now exposed to the deadly disease. Univ... 阅读全文>> 日期:2012-04-19 In a dog-eat-dog world of ruthless(无情的) competition and 'survival of the fittest,' new research from the University of Leicester reveals that individuals are genetically programmed to work together and cooperate with those who most resemble(类... 阅读全文>> 日期:2012-04-19 Although cosmic rays were discovered 100 years ago, their origin remains one of the most enduring mysteries in physics. Now, the IceCube Neutrino Observatory, a massive detector in Antarctica, is homing in on how the highest energy cosmic rays are p... 阅读全文>> 日期:2012-04-18 Can lack of sleep make you fat? A new paper which reviews the evidence from sleep restriction studies reveals that inadequate sleep is linked to obesity. The research, published in a special issue of the The American Journal of Human Biology, explor... 阅读全文>> 日期:2012-04-18 Sixty percent of Wikipedia articles about companies contain factual errors, according to research published recently in the Public Relations Society of America's (PRSA) scholarly publication, Public Relations Journal. Findings from the research will... 阅读全文>> 日期:2012-04-18 Looking for an inexpensive and effective way to quickly improve the quality of your drinking water? According to a team of researchers from the Johns Hopkins Bloomberg School of Public Health and the Johns Hopkins School of Medicine, sunlight and a... 阅读全文>> 日期:2012-04-18 New research suggests that billions of stars in our galaxy have captured rogue planets that once roamed interstellar space(星际空间) . The nomad(流浪的) worlds, which were kicked out of the star systems in which they formed, occasionally find a... 阅读全文>> 日期:2012-04-17 Consumers are increasingly using MP3 players in their vehicles, and auto makers have responded: Data show that 90% of new vehicles sold in the United States have MP3 connectivity. Makers of aftermarket MP3 controllers are also responding with device... 阅读全文>> 日期:2012-04-17 Is John Lennon's line imagine no possessions not as idealistic as it once seemed? According to a new study in the Journal of Consumer Research, globalization has led to a new class of global nomads (游牧民) who are less attached to material object... 阅读全文>> 日期:2012-04-17 Have you ever wondered why stems grow upwards and roots downwards? Why plants always seem to turn towards the light and climbing plants run up the trellis(格子,框架) rather than down? The answer is simple: auxin(植物生长素) . But maybe not that... 阅读全文>> 日期:2012-04-17 People who believe the world is a just place trust salespeople more than consumers who don't -- but only after they've made a purchase, according to a new study in the Journal of Consumer Research. As consumers, we make many decisions each day that... 阅读全文>> 日期:2012-04-15 Imagine a world where the rooftops and pavements of every urban area are resurfaced to increase the reflection of the Sun's light rays. Well, this is exactly what a group of Canadian researchers have simulated in an attempt to measure the potential... 阅读全文>> 日期:2012-04-15 How hydrogen--the most abundant element in the cosmos--responds to extremes of pressure and temperature is one of the major challenges in modern physical science. Moreover, knowledge gleaned(收集) from experiments using hydrogen as a testing groun... 阅读全文>> 日期:2012-04-13 A study published online on April 12 in the Cell Press journal Current Biology offers some news for parents: even toddlers(初学走路的孩子) have a tendency to follow the crowd. That sensitivity isn't unique to humans either; chimpanzees also appear... 阅读全文>> 日期:2012-04-13 Abandoned army bunkers along the Jordan River have become a habitat for 12 indigenous(本土的) bat species, three of which are already designated as endangered and two that are on the critical list. The bats were recently identified by a group of T... 阅读全文>> 日期:2012-04-13 Although the preference of dung beetles(屎壳郎) for specific types and conditions of dung(粪) has been given substantial attention, little has been done to investigate their preference for dung from exotic mammals found on game farms or rewildin... 阅读全文>> |
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