日期:2017-01-08 In my Scientific American column this month, I opined that email never really has been a secure communications channel -- and that, in the age of suspected Russian hacking, Wikileaks, and countless other high-profile hacks, it never will be. But sup... 阅读全文>>

日期:2017-01-08 For more than 25 years, Mary Read was a successful nurse in Lititz, Pennsylvania. But in 2010, at the age of 50, she started having trouble with her memory and thinking, making it difficult for her to complete routine tasks and follow instructions a... 阅读全文>>

日期:2017-01-08 Molecular biologist Elizabeth Blackburn shared a Nobel Prize for her research on telomeres -- structures at the tips of chromosomes that play a key role in cellular aging. But she was frustrated that important health implications of her work werent... 阅读全文>>

日期:2017-01-08 Although sex addiction is the name, researchers and clinicians still debate about what exactly constitutes the game. A few years ago, there was an effort to add a brand new diagnosis of Hypersexual Disorder to the list of official psychiatric diagno... 阅读全文>>

日期:2017-01-08 Quantum computing has long seemed like one of those technologies that are 20 years away, and always will be. But 2017 could be the year that the field sheds its research-only image. Computing giants Google and Microsoft recently hired a host of lead... 阅读全文>>

日期:2017-01-04 Have you ever noticed that when you present people with facts that are contrary to their deepest held beliefs they always change their minds? Me neither. In fact, people seem to double down on their beliefs in the teeth of overwhelming evidence agai... 阅读全文>>

日期:2017-01-04 Anthony Stocks, chairman and professor of anthropology at Idaho State University, responds: The evolution of smiles is opaque and, as with many evolutionary accounts of social behavior, fraught with just-soism. Among human babies, however, the tooth... 阅读全文>>

日期:2017-01-04 When it comes to your love life, the impact of your diet could go beyond having a few extra pounds around the waist -- what you eat may also influence how pleasing your body smells to members of the opposite sex. Scientists have long observed such a... 阅读全文>>

日期:2016-12-26 A 16-year survey on the arctic Norwegian island of Svalbard found the reindeer there have declined in weight by an alarming 12 percent. 一项对挪威北极区域斯瓦尔巴特群岛长达16年的调查发现,这里的驯鹿体重下降了12%,这一数字让人震惊。 The reduction in... 阅读全文>>

日期:2016-12-26 Nearly half the species on the planet are failing to cope with global warming the world has already experienced, according to an alarming new study that suggests the sixth mass extinction of animal life in the Earths history could take place in as l... 阅读全文>>

日期:2016-12-20 Growing a human being is no small feat -- just ask any newly pregnant woman. Her hormones surge as her body undergoes a massive physical transformation, and the changes dont end there. A study published Monday in Nature Neuroscience reveals that dur... 阅读全文>>

日期:2016-12-19 Scientists claimed they have figured out how the worlds biggest and most-valuable diamonds formed. 科学家们表示,他们已经搞清楚世界上最大、最有价值的钻石是如何形成的。 In a study published this week in the U.S. journal Science, they said large gem-q... 阅读全文>>

日期:2016-12-19 A research team from the University of Bonn has succeeded for the first time in using light stimuli to stop life-threatening cardiac arrhythmia in mouse hearts. Furthermore, as shown in computer simulations at Johns Hopkins University, this techniqu... 阅读全文>>

日期:2016-12-19 The study, published today in Nature Microbiology, holds promise for a new treatment method against antibiotic-resistant bacteria (commonly known as superbugs). The star-shaped structures, are short chains of proteins called peptide polymers, and we... 阅读全文>>

日期:2016-12-14 Precision time signals sent through the Global Positioning System (GPS) synchronize cellphone calls, time-stamp financial transactions, and support safe travel by aircraft, ship, train and car. What if GPS goes down? The National Institute of Standa... 阅读全文>>

日期:2016-12-14 In spring, the young, delicate shoots in the forest light up, bright and May green. The buds and shoots are the future of the forests as they allow young trees to grow. The problem for the trees is: Roe deer like to eat them, and especially their bu... 阅读全文>>

日期:2016-12-14 For the first time, researchers from the Wellcome Trust Sanger Institute and their collaborators have been able to identify in human cancers two characteristic patterns of DNA damage caused by ionising radiation. These fingerprint patterns may now e... 阅读全文>>

日期:2016-12-14 The mutualistic relationship between tree roots and ectomycorrhizal (ECM) fungi has been shaping forest ecosystems since their inception. ECM fungi are key players supporting the growth, health and stress tolerance of forest trees globally, such as... 阅读全文>>

日期:2016-12-14 Unique protein markers in hair could be used alongside DNA profiling for human identification, according to a study published September 7, 2016 in the open-access journal PLOS ONE by Glendon Parker from Lawrence Livermore National Laboratory, USA, a... 阅读全文>>

日期:2016-12-10 A University of Liverpool study of ants across three continents has revealed that their colour and size is strongly influenced by their environment, and that the dominant colour and average body size can change from year to year as temperatures vary... 阅读全文>>

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