日期：2014-07-04 Many traits unique to humans were long thought to have originated in the genus Homo between 2.4 and 1.8 million years ago in Africa. Although scientists have recognized these characteristics for decades, they are reconsidering the true evolutionary... 阅读全文>>

日期：2014-07-04 The dramatic increase in earthquakes in central Oklahoma since 2009 is likely attributable to subsurface wastewater injection at just a handful of disposal wells, finds a new study to be published in the journal Science on July 3, 2014. The research... 阅读全文>>

日期：2014-07-02 A Binghamton University physicist and his colleagues say they have unlocked one key mystery surrounding high-temperature superconductivity. Their research, published this week in the Proceedings of the National Academy of Sciences, found a remarkabl... 阅读全文>>

日期：2014-07-02 Research suggests that people at increased risk for developing addiction share many of the same neurobiological signatures of people who have already developed addiction. This similarity is to be expected, as individuals with family members who have... 阅读全文>>

日期：2014-07-02 Research to curb global warming caused by rising levels of atmospheric greenhouse gases, such as carbon dioxide, usually involves three areas: Developing alternative energy sources, capturing and storing greenhouse gases, and repurposing（再利用） e... 阅读全文>>

日期：2014-07-02 Thought to dwell（居住，存在于） mostly near the ocean's surface, Chilean devil rays (Mobula tarapacana) are most often seen gliding through shallow, warm waters. But a new study by scientists at Woods Hole Oceanographic Institution (WHOI) and inter... 阅读全文>>

日期：2014-07-02 Previous studies have suggested that plant growth can be influenced by sound and that plants respond to wind and touch. Now, researchers at the University of Missouri, in a collaboration that brings together audio and chemical analysis, have determi... 阅读全文>>

日期：2014-07-01 If it contains 'nano', it doesn't primarily leak 'nano': at least that's true for silver-coated textiles, explains Bernd Nowack of the Technology and Society division at Empa. During each wash cycle a certain amount of the silver coating is washed o... 阅读全文>>

日期：2014-07-01 The research shows that managers hold more negative attitudes to private use of social media at work than subordinates. About 11,000 Norwegian employees participated in the researchers' study Predictors of Use of Social Network Sites at Work. It is... 阅读全文>>

日期：2014-07-01 A group of researchers from Russia, Belarus and Spain, including MIPT professor Yury Lozovik, have developed a microscopic force sensor based on carbon nanotubes. The device is described in an article published in the journal Computational Materials... 阅读全文>>

日期：2014-07-01 Green spaces in towns and cities need extra consideration as they may be damaging buildings in the area, according to new research from the Universities of Southampton and Surrey. When organic chemicals from trees and vegetation mix with air polluta... 阅读全文>>

日期：2014-07-01 Like human societies--think New York City--bacterial colonies have immense diversity among their inhabitants, often generated in the absence of specific selection pressures, according to a paper published ahead of print in the Journal of Bacteriolog... 阅读全文>>

日期：2014-06-30 For children, stress can go a long way. A little bit provides a platform for learning, adapting and coping. But a lot of it -- chronic, toxic stress like poverty, neglect and physical abuse -- can have lasting negative impacts. A team of University... 阅读全文>>

日期：2014-06-30 For decades, climate scientists have tried to explain why ice-age cycles became longer and more intense about 900,000 years ago, switching from 41,000-year cycles to 100,000-year cycles. In a new study in the journal Science, researchers found that... 阅读全文>>

日期：2014-06-30 The chemical used to make tofu and bath salts could also replace a highly toxic and expensive substance used to make solar cells, a University study published in the journal Nature has revealed. Cadmium chloride is currently a key ingredient in sola... 阅读全文>>

日期：2014-06-30 Scientists from the California Academy of Sciences have discovered a new species of round-eared sengi（象鼩）, or elephant-shrew, in the remote deserts of southwestern Africa. This is the third new species of sengi to be discovered in the wild in th... 阅读全文>>

日期：2014-06-30 Without a steady supply of blood, neurons can't work. That's why one of the culprits behind Alzheimer's disease is believed to be the persistent blood clots that often form in the brains of Alzheimer's patients, contributing to the condition's hallm... 阅读全文>>

日期：2014-06-26 If no further action is taken and global temperature increases by 3.5C, climate damages in the EU could amount to at least 190 billion, a net welfare loss of 1.8% of its current GDP. Several weather-related extremes could roughly double their averag... 阅读全文>>

日期：2014-06-26 The rate of deforestation in the Brazilian Amazon has declined. An international team of scientists, including one from Virginia Tech, reviewed published research about policy interventions and commodity market（商品市场） effects, and determined th... 阅读全文>>

日期：2014-06-26 Each fall millions of monarch butterflies use a sophisticated navigation system to transverse（横断） 2,000 miles from breeding sites across the eastern United States to an overwintering habitat in specific groves of fir trees in central Mexico. Sci... 阅读全文>>