日期：2012-06-19 UC Santa Barbara scientists turned to the simple sponge to find clues about the evolution of the complex nervous system and found that, but for a mechanism that coordinates the expression of genes that lead to the formation of neural synapses（突触... 阅读全文>>

日期：2012-06-19 Scientists worldwide are racing to sequence DNA -- decipher（解密） genetic blueprints -- faster and cheaper than ever by passing strands of the genetic material through molecule-sized pores. Now, University of Utah scientists have adapted this nano... 阅读全文>>

日期：2012-06-19 Living alone was associated with an increased risk of death and cardiovascular（心血管的） death in an international study of stable outpatients at risk of or with arterial vascular disease (such as coronary disease or peripheral周围的 vascular dise... 阅读全文>>

日期：2012-06-19 The ancient reserves of methane（甲烷） gas seeping from the melting Arctic ice cap told Jeff Chanton and fellow researchers what they already knew: As the permafrost（永久冻土） thaws, there is a release of methane, a powerful greenhouse gas that c... 阅读全文>>

日期：2012-06-18 A group of Japanese scientists have surprised themselves by being able to predict the success or failure of blockbuster movies at the box office using a set of mathematical models. The researchers, publishing their study June 15, in the Institute of... 阅读全文>>

日期：2012-06-18 During heavy rain, the lid of Nepenthes gracilis（股薄肌） pitchers acts like a springboard, catapulting insects that seek shelter on its underside directly into the fluid-filled pitcher, new research has found. The findings were published June 13,... 阅读全文>>

日期：2012-06-18 Childhood obesity（肥胖） has increased dramatically throughout the past 40 years and has been tied to many health problems. Now, a University of Missouri researcher has found that children's weight is associated with their math performance. The fin... 阅读全文>>

日期：2012-06-18 In Israel's Negev Desert, a plant called sweet mignonette（木犀草） or taily weed uses a toxic mustard oil bomb to make the spiny（多刺的） mouse spit out the plant's seeds when eating the fruit. Thus, the plant has turned a seed-eating rodent into... 阅读全文>>

日期：2012-06-18 Population estimates for the Amazon basin just before Europeans arrived range from 2 to 10 million people. The newly reported reconstruction of Amazonian prehistory by Smithsonian scientist Dolores R. Piperno and colleagues suggests that large areas... 阅读全文>>

日期：2012-06-18 American mountain lions, or cougars（美洲狮） , are re-emerging in areas of the United States, reversing 100 years of decline. The evidence, published in The Journal of Wildlife Management, raises new conservation questions, such as how humans can l... 阅读全文>>

日期：2012-06-18 Scientists have managed to switch on and off the magnetism of a new material using quantum mechanics, making the material a test bed for future quantum devices. The international team of researchers led from the Laboratory for Quantum Magnetism (LQM... 阅读全文>>

日期：2012-06-18 In a paper recently published in European Physical Journal (EPJ) C, researchers hypothesised the existence of mirror particles to explain the anomalous（异常的） loss of neutrons observed experimentally. The existence of such mirror matter had been... 阅读全文>>

日期：2012-06-18 Researchers from the University of Notre Dame have engineered nanoparticles that show great promise for the treatment of multiple myeloma (MM), an incurable cancer of the plasma（浆细胞） cells in bone marrow. One of the difficulties doctors face in... 阅读全文>>

日期：2012-06-14 Normally, male California mice are surprisingly doting（溺爱的） fathers, but new research published in the journal Physiological and Biochemical Zoology suggests that high anxiety can turn these good dads bad. Unlike most rodents, male and female C... 阅读全文>>

日期：2012-06-14 A new study eases concerns that irrigating crops with water released from sewage treatment plants -- an increasingly common practice in arid（干旱的） areas of the world -- fosters emergence of the antibiotic-resistant bacteria that cause thousands... 阅读全文>>

日期：2012-06-14 Concern about overexposure to radiation due to excessive use of medical imaging has come to the fore in recent years. Now, a study led by researchers at the University of California, San Francisco (UCSF) and Group Health Research Institute, shows th... 阅读全文>>

日期：2012-06-14 Viewing Facebook and Flickr photos on a smart phone are becoming common practice. But according to a recently published Journal of Vision study, pictures on the small screen often appear distorted（歪曲的） . Vision scientists found that perceptual... 阅读全文>>

日期：2012-06-13 A modern recurrence of an extraordinary type of volcanic eruption in Iceland could inject large quantities of hazardous（有危险的） gases into North Atlantic and European flight corridors, potentially for months at a time, a new study suggests. Usin... 阅读全文>>

日期：2012-06-13 Giant volcanic eruptions in Nicaragua over the past 70,000 years could have injected enough gases into the atmosphere to temporarily thin the ozone layer, according to new research. And, if it happened today, a similar explosive eruption could do th... 阅读全文>>

日期：2012-06-13 A novel porous（多孔渗水的） material that has unique carbon dioxide retention（保留） properties has been developed through research led by The University of Nottingham. The findings, published in the peer-reviewed journal Nature Materials, form pa... 阅读全文>>