日期：2012-08-02 By identifying a key protein that tells certain breast cancer cells when and how to move, researchers at Michigan State University hope to better understand the process by which breast cancer spreads, or metastasizes（转移，迁徙） . When breast canc... 阅读全文>>

日期：2012-07-27 Researchers reporting online on July 26 in Current Biology, a Cell Press publication, have for the first time shown that they can control the behavior of monkeys by using pulses of blue light to very specifically activate particular brain cells. The... 阅读全文>>

日期：2012-07-27 A team of researchers from Tel Aviv University has uncovered a hoard（贮藏物） of real-life buried treasure at the Crusader castle of Arsur (also known as Apollonia), a stronghold located between the ancient ports of Jaffa and Caesarea, in use from... 阅读全文>>

日期：2012-07-27 Text messaging may offer tweens a quick way to send notes to friends and family, but it could lead to declining language and grammar skills, according to researchers. Tweens who frequently use language adaptations -- techspeak -- when they text perf... 阅读全文>>

日期：2012-07-27 A 500-year-old frozen Incan mummy suffered from a bacterial lung infection at the time of its death, as revealed by a novel proteomics（蛋白质组） method that shows evidence of an active pathogenic infection in an ancient sample for the first time.... 阅读全文>>

日期：2012-07-26 How quickly can new species arise? In as little as 6,000 years, according to a study of Australian sea stars. That's unbelievably fast compared to most organisms, said Rick Grosberg, professor of evolution and ecology at UC Davis and coauthor on the... 阅读全文>>

日期：2012-07-26 A new study by York University researchers finds that songbirds follow a strict annual schedule when migrating to their breeding grounds -- with some birds departing on precisely the same date each year. The study, published in the journal PLoS ONE,... 阅读全文>>

日期：2012-07-26 For monarch butterflies, redder wings are correlated with better flight performance, according to research published July 25 in the open access journal PLoS ONE. Previous work has shown that monarch coloring is intended to warn their predators about... 阅读全文>>

日期：2012-07-26 Forests in the Pacific Northwest store more carbon than any other region in the United States, but our warming climate may undermine their storage potential. A new study conducted by the U.S. Forest Service's Pacific Northwest Research Station and t... 阅读全文>>

日期：2012-07-26 Scientists have discovered a thriving population of Mediterranean earthworms（蚯蚓） in an urban farm in Dublin, Ireland. The findings by University College Dublin scientists published in the journal Biology Letters suggest that rising soil temperat... 阅读全文>>

日期：2012-07-25 Mimicking the way mother of pearl is created in nature, scientists have for the first time synthesized the strong, iridescent（彩虹色的） coating found on the inside of some molluscs（软体动物） . The research was published July 24 in the journal Na... 阅读全文>>

日期：2012-07-25 Emerging techniques to pull carbon dioxide from the air and store it away to stabilize the climate may become increasingly important as the planet tips into a state of potentially dangerous warming, researchers from Columbia University's Earth Insti... 阅读全文>>

日期：2012-07-25 The opportunistic fungal pathogen Candida albicans（白色念珠菌） inconspicuously（难以觉察地） lives in our bodies until it senses that we are weak, when it quickly adapts to go on the offensive. The fungus, known for causing yeast and other minor i... 阅读全文>>

日期：2012-07-25 For the first time, scientists have identified tropical and subtropical species of marine protozoa（原生动物） living in the Arctic Ocean. Apparently, they traveled thousands of miles on Atlantic currents and ended up above Norway with an unusual --... 阅读全文>>

日期：2012-07-23 Tired? Scientists have discovered another possible benefit of a night of restful（宁静的） and uninterrupted sleep. According to a new study led by researchers at the Johns Hopkins Bloomberg School of Public Health fragmented or interrupted sleep co... 阅读全文>>

日期：2012-07-23 Astronomers have just released the highest-resolution images ever taken of the Sun's corona（日冕） , or million-degree outer atmosphere, in an extreme-ultraviolet wavelength of light. The 16-megapixel images were captured by NASA's High Resolution... 阅读全文>>

日期：2012-07-23 UCLA researchers have developed a new transparent solar cell that is an advance toward giving windows in homes and other buildings the ability to generate electricity while still allowing people to see outside. Their study appears in the journal ACS... 阅读全文>>

日期：2012-07-23 Only by viewing a Seurat painting at close range can you appreciate the hidden complexities of pointillism（点描绘法） -- small, distinct dots of pure color applied in patterns to form an image from a distance. Similarly, biologists and geneticists... 阅读全文>>

日期：2012-07-20 Anyone who has looked at the jagged（锯齿状的） recording of the electrical activity of a single neuron in the brain must have wondered how any useful information could be extracted from such a frazzled（疲惫的） signal. But over the past 30 years,... 阅读全文>>

日期：2012-07-20 A new study finds elevated levels of caffeine（咖啡因） at several sites in Pacific Ocean waters off the coast of Oregon -- though not necessarily where researchers expected. This study is the first to look at caffeine pollution off the Oregon coast... 阅读全文>>