日期:2015-12-11 A team of scientists has developed an algorithm that captures our learning abilities, enabling computers to recognize and draw simple visual concepts that are mostly indistinguishable from those created by humans. The work, which appears in the late... 阅读全文>>

日期:2015-12-10 If you don't want to send the wrong message, watch how you punctuate your texts. Text messages that end with a period are perceived to be less sincere than messages that do not, according to newly published research from Binghamton University. A tea... 阅读全文>>

日期:2015-12-10 Biologists at UC San Diego have found that a method they developed to identify and characterize new antibiotics can be employed to screen natural products quickly for compounds capable of controlling antibiotic resistant bacteria. The researchers, w... 阅读全文>>

日期:2015-12-10 Prior to the rise of modern day mammalian carnivores (lions and tigers and bears, as well as weasels, raccoons, wolves and other members of the order Carnivora), North America was dominated by a now extinct group of mammalian carnivores - the hyaeno... 阅读全文>>

日期:2015-12-10 The temple of Angkor Wat was much larger and more complex than previously thought, University of Sydney archaeologists have discovered. The University of Sydney's Professor Roland Fletcher and Dr Damian Evans lead the Greater Angkor Project in Cambo... 阅读全文>>

日期:2015-12-10 For the first time, a litter of puppies was born by in vitro fertilization, thanks to work by Cornell University researchers. The breakthrough, described in a study to be published online Dec. 9 in the journal Public Library of Science ONE, opens th... 阅读全文>>

日期:2015-12-09 The faulted alluvial fans near Badwater in Death Valley are amongst the most visited and classic landforms in the U.S. New mapping and dating of these landforms, presented in this open-access study by Kurt Frankel and colleagues, help to determine t... 阅读全文>>

日期:2015-12-08 Tom Hanks has appeared in many acting roles over the years, playing young and old, smart and simple. Yet we always recognize him as Tom Hanks. Why? Is it his appearance? His mannerisms? The way he moves? University of Washington researchers have dem... 阅读全文>>

日期:2015-12-08 Around the globe there is high interest in the use of cannabidiol (CBD), a type of cannabinoid, for the treatment of people with epilepsy, especially children who have treatment-resistant forms of the disorder such as Lennox-Gastaut Syndrome (LGS) a... 阅读全文>>

日期:2015-12-08 The earth is facing a catastrophic species extinction crisis. The dominant approach to conservation has been to focus on protecting pristine environments, but new research from Australia demonstrates that on average, urban environments contain dispr... 阅读全文>>

日期:2015-12-08 A new study by a team of scientists from Argentina, Brazil, California and the Natural History Museum of Utah at the University of Utah has determined that the time elapsed between the emergence of early dinosaur relatives and the origin of the firs... 阅读全文>>

日期:2015-12-03 The Ophel excavations at the foot of the southern wall of the Temple Mount, conducted by the Hebrew University of Jerusalem's Institute of Archaeology under the direction of Dr. Eilat Mazar, have unearthed an impression of the royal seal of King Hez... 阅读全文>>

日期:2015-12-03 Scientists have detected a burst of radio waves from six billion light years away, one of a handful they've discovered in the past decade -- and this time they have clues about its source. Canadian Institute for Advanced Research (CIFAR) Global Scho... 阅读全文>>

日期:2015-11-26 A new study finds fisher education can help protect vulnerable shark populations. The research, led by University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science scientists, showed that recreational anglers were more supportive of... 阅读全文>>

日期:2015-11-26 As world leaders prepare to gather in France for the 2015 United Nations Conference on Climate Change next week, global warming -- and how to stop it -- is a hot topic. To limit climate change, experts say that we need to reach carbon neutrality by... 阅读全文>>

日期:2015-11-26 The world-famous Australian reef is providing an effective barrier against landslide-induced tsunamis, new research shows. What has developed into the Great Barrier Reef was not always a barrier reef - it was once a fringing reef and did not offer t... 阅读全文>>

日期:2015-11-26 Mars is blanketed by a thin, mostly carbon dioxide atmosphere--one that is far too thin to prevent large amounts of water on the surface of the planet from subliming or evaporating. But many researchers have suggested that the planet was once shroud... 阅读全文>>

日期:2015-11-26 VY Canis Majoris is a stellar goliath, a red hypergiant, one of the largest known stars in the Milky Way. It is 30-40 times the mass of the Sun and 300 000 times more luminous. In its current state, the star would encompass the orbit of Jupiter, hav... 阅读全文>>

日期:2015-11-25 Migration between different communities of bacteria is the key to the type of gene transfer that can lead to the spread of traits such as antibiotic resistance, according to researchers at Oxford University. While horizontal gene transfer - also kno... 阅读全文>>

日期:2015-11-25 The intensity of earth's magnetic field has been weakening in the last couple of hundred years, leading some scientists to think that its polarity might be about to flip. But the field's intensity may simply be coming down from an abnormal high rath... 阅读全文>>

  • 首页
  • 上一页
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 下一页
  • 末页
  • 3857688