日期：2016-03-17 Scientists from The Hebrew University of Jerusalem, Columbia University Medical Center (CUMC) and The New York Stem Cell Foundation Research Institute (NYSCF) have succeeded in generating a new type of embryonic stem cell that carries a single copy... 阅读全文>>

日期：2016-03-17 In a small clinical trial led by the Johns Hopkins Bloomberg School of Public Health, researchers say that a promising single-dose dengue vaccine, developed by scientists at the National Institutes of Health, was 100 percent effective in preventing... 阅读全文>>

日期：2016-03-16 On an intuitive level, you'd expect a shark's skin to reduce drag. After all, the purpose of sharkskin-inspired riblets -- the micro-grooved structures found in aircraft wings, wind turbine blades and Olympic-class swimsuits -- is to do just that. S... 阅读全文>>

日期：2016-03-16 A team of researchers at Aix Marseille Universit in Marseille, France led by Dr. Frdric Leroy developed a technique that allows them to follow physical processes occurring at surfaces of materials at the atomic level in situ and in real time. This n... 阅读全文>>

日期：2016-03-16 Researchers at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science published new findings that suggest the expansion of protected areas into U.S. federal waters would safeguard 100 percent of core home range areas used b... 阅读全文>>

日期：2016-03-16 Plants grown in high-density or crowded populations often put more energy into growth and maintenance than reproduction. For example, flowering may be delayed as plants allocate resources to growing taller and escape competition for light. This sens... 阅读全文>>

日期：2016-03-16 Would you be willing to spend each night in the company of 300,000 bats -- all in the service of science? UCLA biologist Kenneth Chapin did just that, for several weeks in 2012 and 2014, while conducting research in darkened caves in Puerto Rico. In... 阅读全文>>

日期：2016-03-16 White storks are addicted to junk food and make round-trips of almost 100km to get their fix - according to new research from the University of East Anglia. In folklore, storks would carry babies to parents around the world. But since the mid 1980s,... 阅读全文>>

日期：2016-03-15 Genetic cues from male Aedes aegypti mosquitoes passed on during sex affect which genes are turned on or off in a females' reproductive tract post-mating, including genes related to blood feeding, egg development and immune defense, according to new... 阅读全文>>

日期：2016-03-15 On your car windshield, ice is a nuisance. But on an airplane, a wind turbine, an oil rig or power line, it can be downright dangerous. And removing it with the methods that are available today--usually chemical melting agents or labor-intensive scr... 阅读全文>>

日期：2016-03-15 Spiders are known to be the classic example of insectivorous predators. Zoologists from the University of Basel, the US and UK have now been able to show that their diet is more diverse than expected. Their findings show that spiders like to spice u... 阅读全文>>

日期：2016-03-15 Terahertz radiation is a relatively unexplored slice of the electromagnetic spectrum, but it holds the promise of countless new imaging applications as well as wireless communication networks with extremely high bandwidth. The problem is that there... 阅读全文>>

日期：2016-03-15 Low levels of pesticides can impact the foraging behaviour of bumblebees on wildflowers, changing their floral preferences and hindering their ability to learn the skills needed to extract nectar and pollen, according to a study co-authored by a Uni... 阅读全文>>

日期：2016-03-15 The fossilized remains of a new horse-sized dinosaur reveal how Tyrannosaurus rex and its close relatives became top predators, according to a new study published in the Proceedings of the National Academy of Sciences. Paleontologists have long know... 阅读全文>>

日期：2016-03-10 More people live close to sea coast than earlier estimated, assess researchers in a new study. These people are the most vulnerable to the rise of the sea level as well as to the increased number of floods and intensified storms. By using recent inc... 阅读全文>>

日期：2016-03-10 Doctors have long characterized epilepsy as a brain disorder, but researchers at Case Western Reserve University have found that part of the autonomic nervous system functions differently in epilepsy during the absence of seizures. This connection t... 阅读全文>>

日期：2016-03-10 As the deadly bat disease called white-nose syndrome continues to spread across North America, scientists are studying bats in China to understand how they are able to survive infections with the same fungus that has wiped out millions of North Amer... 阅读全文>>

日期：2016-03-10 Australia's largest predator, the dingo, is resistant to one of the main threats to its survival as a species -- changes to skull shape brought about by cross breeding (hybridisation) with dogs, research shows. A UNSW study published today in Evolut... 阅读全文>>

日期：2016-03-10 Scientists have devised a technique for visualising tissues that could aid diagnosis and treatment of diseases including cancer. The new approach is more sensitive than existing tools and could help researchers detect illnesses at a much earlier sta... 阅读全文>>

日期：2016-03-10 How much time and effort do you spend chewing? Although you probably enjoy a few leisurely meals every day, chances are that you spend very little time and muscular effort chewing your food. That kind of easy eating is very unusual. For perspective,... 阅读全文>>