日期：2014-10-08 Melanoma is the fifth most common cancer type in the United States, and it's also the deadliest form of skin cancer, causing more than 75 percent of skin-cancer deaths. If caught early enough though, it is almost always curable. Now a camera, capabl... 阅读全文>>

日期：2014-10-08 Gender diversity in the workplace helps firms be more productive, according to a new study co-authored by an MIT researcher -- but it may also reduce satisfaction among employees. Having a more diverse set of employees means you have a more diverse... 阅读全文>>

日期：2014-10-08 Researchers at the University of Texas Medical Branch at Galveston say that sexting may be the new normal part of adolescent sexual development and is not strictly limited to at-risk teens. The findings, published in the journal Pediatrics, are from... 阅读全文>>

日期：2014-10-08 Deep within the bone marrow resides a type of cells known as mesenchymal stem cells (MSCs). These immature cells can differentiate into cells that produce bone, cartilage, fat, or muscle -- a trait that scientists have tried to exploit for tissue re... 阅读全文>>

日期：2014-10-08 The Gulf Sand gecko is a remarkable desert reptile in that it is the only lizard found habitually on sabkha substrate across large parts of the eastern Arabian Peninsula. These arid salt flats constitute one of the harshest habitats on earth, due to... 阅读全文>>

日期：2014-10-08 A new, large-scale study has identified six new genetic variants associated with habitual coffee drinking. The genome-wide meta-analysis, led by Harvard School of Public Health and Brigham and Women's Hospital researchers, helps explain why a given... 阅读全文>>

日期：2014-10-05 Evolution in extreme environments has produced life forms with amazing abilities and traits. Beneath the waves, many creatures sport iridescent structures that rival what materials scientists can make in the laboratory. A team of researchers from th... 阅读全文>>

日期：2014-10-05 The HIV pandemic with us today is almost certain to have begun its global spread from Kinshasa, the capital of the Democratic Republic of the Congo (DRC), according to a new study. An international team, led by Oxford University and University of Le... 阅读全文>>

日期：2014-10-05 Researchers at The University of Texas MD Anderson Cancer Center have identified a biomarker living next door to the KLK3 gene that can predict which GS7 prostate cancer patients will have a more aggressive form of cancer. The results reported in th... 阅读全文>>

日期：2014-10-05 The big-headed ant (Pheidole megacephala) is considered one of the world's worst invasive ant species. As the name implies, its colonies include soldier ants with disproportionately large heads. Their giant, muscle-bound noggins power their biting p... 阅读全文>>

日期：2014-10-04 Commercial devices capable of encrypting information in unbreakable codes exist today, thanks to recent quantum optics advances, especially the generation of photon pairs -- tiny entangled particles of light. Now, an international team of researcher... 阅读全文>>

日期：2014-10-04 A new study published in the Cell Press journal Current Biology on October 2 could rewrite the story of ape and human brain evolution. While the neocortex of the brain has been called the crowning achievement of evolution and the biological substrat... 阅读全文>>

日期：2014-10-04 Yeast are commonly used to transform corn and other plant materials into biofuels such as ethanol. However, large concentrations of ethanol can be toxic to yeast, which has limited the production capacity of many yeast strains used in industry. Toxi... 阅读全文>>

日期：2014-10-04 Americans love their dogs, but they don't always love to pick up after them. And that's a problem. Dog feces left on the ground wash into waterways, sometimes carrying bacteria -- including antibiotic-resistant strains -- that can make people sick.... 阅读全文>>

日期：2014-10-04 The monarch butterfly is one of the most iconic insects in the world, best known for its distinct orange and black wings and a spectacular annual mass migration across North America. However, little has been known about the genes that underlie these... 阅读全文>>

日期：2014-10-04 The more curious we are about a topic, the easier it is to learn information about that topic. New research publishing online October 2 in the Cell Press journal Neuron provides insights into what happens in our brains when curiosity is piqued. The... 阅读全文>>

日期：2014-09-29 The excessive atmospheric carbon dioxide that is driving global climate change could be harnessed into a renewable energy technology that would be a win for both the environment and the economy. That is the lure of artificial photosynthesis in which... 阅读全文>>

日期：2014-09-29 Ancient, acidic and nutrient-depleted dunes in Western Australia are not an obvious place to answer a question that has vexed tropical biologists for decades. But the Jurien Bay dunes proved to be the perfect site to unravel why plant diversity vari... 阅读全文>>

日期：2014-09-29 Electricity and magnetism rule our digital world. Semiconductors process electrical information, while magnetic materials enable long-term data storage. A University of Pittsburgh research team has discovered a way to fuse these two distinct propert... 阅读全文>>

日期：2014-09-29 Concrete is the world's most-used construction material, and a leading contributor to global warming, producing as much as one-tenth of industry-generated greenhouse-gas emissions. Now a new study suggests a way in which those emissions could be red... 阅读全文>>