日期:2014-06-04 Which look bigger, packages of complicated shape or packages of simple shape? Some prior research shows that complex packages appear larger than simple packages of equal volume, while other research has shown the opposite -- that simple packages loo... 阅读全文>>

日期:2014-06-04 Researchers at the University of California, San Diego School of Medicine have erased and reactivated memories in rats, profoundly altering the animals' reaction to past events. The study, published in the June 1 advanced online issue of the journal... 阅读全文>>

日期:2014-06-04 A new study shows that college students who are poor sleepers are much more likely to earn worse grades and withdraw from a course than healthy sleeping peers. Results show that sleep timing and maintenance problems in college students are a strong... 阅读全文>>

日期:2014-06-04 New research on innovative immunotherapies for advanced or high-risk melanoma(黑素瘤) and cervical(子宫颈的) cancer were presented today at the 50th Annual Meeting of the American Society of Clinical Oncology (ASCO). These treatments -- used alo... 阅读全文>>

日期:2014-06-04 Two worlds orbiting a distant star are about to become a snack of cosmic proportions. Astronomers announced today that the planets Kepler-56b and Kepler-56c will be swallowed by their star in a short time by astronomical standards. Their ends will c... 阅读全文>>

日期:2014-06-03 Men feel more pain than women while recovering from major surgery, a study suggests. 研究显示,在术后恢复期,男性的疼痛感比女性更强烈。 More than 10,000 patients were monitored after operations, including heart or abdominal(腹部的) surgery, at a h... 阅读全文>>

日期:2014-06-03 Psychological stress is harmful to sperm and semen quality, affecting its concentration, appearance, and ability to fertilize an egg, according to a study led by researchers Columbia University's Mailman School of Public Health and Rutgers School of... 阅读全文>>

日期:2014-06-03 Lyme disease is a stealthy(鬼鬼祟祟的) , often misdiagnosed disease that was only recognized about 40 years ago, but new discoveries of ticks fossilized in amber show that the bacteria which cause it may have been lurking around for 15 million yea... 阅读全文>>

日期:2014-06-03 Researchers at the National Institute of Standards and Technology (NIST) have developed a laser-based instrument that generates artificial sunlight to help test solar cell properties and find ways to boost their efficiency. The novel NIST system sim... 阅读全文>>

日期:2014-06-03 The use of chemotherapy before surgery to remove ovarian cancer has increased dramatically in recent decades, particularly among certain patients, according to a new analysis from Fox Chase Cancer Center that will be presented at the 50th Annual Mee... 阅读全文>>

日期:2014-06-03 Writing in Nature Physics, a large international team led by Dr Artem Mishchenko and Sir Andre Geim from The University of Manchester shows that the electronic properties of graphene change dramatically if graphene is placed on top of boron nitride... 阅读全文>>

日期:2014-05-29 An international research team led by Academy Professor Kari Rissanen of the University of Jyvskyl (Finland) and Professor Rainer Herges of the University of Kiel (Germany) has managed to make a triple-Mbius annulene(轮烯) , the most twisted fully... 阅读全文>>

日期:2014-05-29 A new study has found that the Antarctic Ice Sheet began melting about 5,000 years earlier than previously thought coming out of the last ice age -- and that shrinkage of the vast ice sheet accelerated during eight distinct episodes, causing rapid s... 阅读全文>>

日期:2014-05-29 Cats eat more during the winter and owners should give their pet more food during this time, University of Liverpool research has found. Researchers from the University's School of Veterinary Science, in collaboration with colleagues at the Royal Ca... 阅读全文>>

日期:2014-05-29 Swimming fish do not appear to use their collision warning system in the same way as flying insects, according to new research from Lund University in Sweden that has compared how zebra fish and bumblebees avoid collisions. The fish surprised the re... 阅读全文>>

日期:2014-05-29 Striving for the protein equivalent of the Human Genome Project, an international team of researchers has created an initial catalog of the human proteome(蛋白质组) , or all of the proteins in the human body. In total, using 30 different human tis... 阅读全文>>

日期:2014-05-28 Scientists studying brain process involved in sight have found the visual cortex also uses information gleaned from(从搜集到) the ears as well as the eyes when viewing the world. They suggest this auditory input enables the visual system to predic... 阅读全文>>

日期:2014-05-28 Ants are capable of complex problem-solving strategies that could be widely applied as optimization techniques. An individual ant searching for food walks in random ways, biologists found. Yet the collective foraging(觅食) behaviour of ants goes w... 阅读全文>>

日期:2014-05-28 Scientists from the University of Southampton, in collaboration with the Universities of Sheffield and Crete, have developed a new hybrid energy transfer system, which mimics the processes responsible for photosynthesis(光合作用) . From photosynth... 阅读全文>>

日期:2014-05-28 Researchers have announced the first ever method for controlling the growth of metal-crystals from single atoms. Published in the journal Nature Communications and developed at the University of Warwick, the method, called Nanocrystallometry, allows... 阅读全文>>

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