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  • Himalayan Viagra fuels caterpillar fungus gold rush

    30 October 2014, 4:50 pm

    Overwhelmed by speculators trying to cash-in on a prized medicinal fungus known as Himalayan Viagra, two isolated Tibetan communities have managed to do at the local level what world leaders often fail to do on a global scale -- implement a successful system…
  • New optimal screening threshold for gestational diabetes in twin pregnancies: Ideal 1-hour 50-g…

    30 October 2014, 4:49 pm

    A common complication, gestational diabetes affects approximately 6-7% of pregnant women. Currently, screening is done in two steps to help identify patients most at risk; however, the suggested levels for additional testing were based on singleton pregnancy…
  • They know the drill: Leading the league in boring through ice sheets

    30 October 2014, 4:30 pm

    Hollow coring drills are used to extract ice cores that can analyze the past atmosphere. Scientists have now documented carbon dioxide in the atmosphere between 23,000 and 9,000 years ago, based on data from an 11,000-foot hole in Antarctica.
  • Take a walk in the sun to ease time change woes, sleep expert says

    30 October 2014, 4:30 pm

    Daylight saving time ends at 2 a.m. on Sunday, Nov. 2. As clocks turn back one hour, we gain an hour of sleep but often still feel groggy and sluggish. A sleep expert says this change in sleep schedule is exacerbated by our tendency to alter our sleep patterns…
  • Lord of the microrings

    30 October 2014, 3:08 pm

    Researchers report a significant breakthrough in laser technology with the development of a unique microring laser cavity that can produce single-mode lasing on demand. This advance holds ramifications for a wide range of optoelectronic applications including…
  • Heart's own immune cells can help it heal

    30 October 2014, 3:06 pm

    The heart holds its own pool of immune cells capable of helping it heal after injury, according to new research. In a mouse model of heart failure, the researchers showed that blocking the bone marrow's macrophages from entering the heart protects the organ's…
  • Fetal alcohol spectrum disorders prevalence in U.S. revealed by study

    30 October 2014, 3:06 pm

    Nearly 5 percent of U.S. children may be affected by fetal alcohol spectrum disorders (FASD), according to a new study. FASD are a group of conditions that can occur in the children of mothers who drank alcohol during pregnancy. Characteristics are both…
  • Biology meets geometry: Geometry of a common cellular structure explored

    30 October 2014, 2:22 pm

    Architecture imitates life, at least when it comes to those spiral ramps in multistory parking garages. Stacked and connecting parallel levels, the ramps are replications of helical structures found in a ubiquitous membrane structure in the cells of the body.
  • Harnessing error-prone chips

    30 October 2014, 2:22 pm

    As transistors get smaller, they also grow less reliable. Increasing their operating voltage can help, but that means a corresponding increase in power consumption. With information technology consuming a steadily growing fraction of the world's energy…
  • Bats will hang out with their friends this Halloween

    30 October 2014, 2:22 pm

    New research has shown that despite moving house frequently, bats choose to roost with the same social groups of 'friends.' The study found that different social groups roost in separate, though adjacent, parts of woodland. The findings have important…
  • Oceans arrived early to Earth; Primitive meteorites were a likely source of water, study finds

    30 October 2014, 2:22 pm

    Earth is known as the Blue Planet because of its oceans, which cover more than 70 percent of the planet's surface and are home to the world's greatest diversity of life. While water is essential for life on the planet, the answers to two key questions have…
  • Hygienic funerals, better protection for health workers offer best chance to stop Ebola

    30 October 2014, 2:22 pm

    Hygienic funeral practices, case isolation, contact tracing with quarantines, and better protection for health care workers are the keys to stopping the Ebola epidemic that continues to expand in West Africa, researchers said in a new report. They said broad…
  • Science casts light on sex in the orchard

    30 October 2014, 2:22 pm

    Persimmons are among the small club of plants with separate sexes -- individual trees are either male or female. Now scientists have discovered how sex is determined in a species of persimmon, potentially opening up new possibilities in plant breeding.
  • Genetic factors behind surviving or dying from Ebola shown in mouse study

    30 October 2014, 2:22 pm

    A newly developed mouse model suggests that genetic factors are behind the mild-to-deadly range of responses to the Ebola virus. The frequency of different manifestations of the disease across the lines of these mice are similar in variety and proportion to…
  • Emerging disease could wipe out American, European salamanders

    30 October 2014, 2:22 pm

    A fungal disease from Asia wiped out salamanders in parts of Europe and will likely reach the US through the international wildlife trade in Asian newts sold as pets, say US experts. Scientists report the fungus arose in Asia 30 million years ago and is lethal…
  • Magma pancakes beneath Indonesia's Lake Toba: Subsurface sources of mega-eruptions

    30 October 2014, 2:20 pm

    The tremendous amounts of lava that are emitted during super-eruptions accumulate over millions of years prior to the event in the Earth's crust. These reservoirs consist of magma that intrudes into the crust in the form of numerous horizontally oriented…
  • High-intensity sound waves may aid regenerative medicine

    30 October 2014, 2:19 pm

    Researchers have developed a way to use sound to create cellular scaffolding for tissue engineering, a unique approach that could help overcome one of regenerative medicine’s significant obstacles.
  • What do American babies eat? A lot depends on Mom's socioeconomic background

    30 October 2014, 1:35 pm

    Dietary patterns of babies vary according to the racial, ethnic and educational backgrounds of their mothers, pediatrics researchers have found. For example, babies whose diet included more breastfeeding and solid foods that adhere to infant guidelines from…
  • Making lab-grown tissues stronger

    30 October 2014, 1:35 pm

    Lab-grown tissues could one day provide new treatments for injuries and damage to the joints, including articular cartilage, tendons and ligaments. Cartilage, for example, is a hard material that caps the ends of bones and allows joints to work smoothly.…
  • Young adults ages 18 to 26 should be viewed as separate subpopulation in policy, research

    30 October 2014, 1:35 pm

    Young adults ages 18-26 should be viewed as a separate subpopulation in policy and research, because they are in a critical period of development when successes or failures could strongly affect the trajectories of their lives, says a new report.
  • Campaign to reduce firearm suicide wins support among firearm retailers in New Hampshire

    30 October 2014, 1:35 pm

    Nearly half of firearm retailers in New Hampshire displayed materials from a firearm suicide prevention campaign generated by a coalition of gun owners and public health professionals.
  • Toddlers copy their peers to fit in, but apes don't

    30 October 2014, 1:33 pm

    From the playground to the board room, people often follow, or conform, to the behavior of those around them as a way of fitting in. New research shows that this behavioral conformity appears early in human children, but isn't evidenced by apes like…
  • Planet discovered that won't stick to a schedule

    30 October 2014, 1:33 pm

    For their latest discovery, astronomers have found a low-mass, low-density planet with a punctuality problem. The new planet, called PH3c, is located 2,300 light years from Earth and has an atmosphere loaded with hydrogen and helium. Its inconsistency kept it…
  • Could daylight savings time be a risk to diabetics?

    30 October 2014, 1:33 pm

    Many will turn back the hands of time as part of the twice-annual ritual of daylight savings time. That means remembering to change the alarm clock next to the bed, which means an extra hour of sleep before getting up in the morning. But for some diabetics who…
  • Sadness lasts longer than other emotions

    30 October 2014, 1:31 pm

    Why is it that you can feel sad up to 240 times longer than you do feeling ashamed, surprised, irritated or even bored? It's because sadness often goes hand in hand with events of greater impact such as death or accidents. You need more time to mull over and…
  • Saving lonely species is important for environment

    30 October 2014, 1:30 pm

    Endemic eucalyptus in Tasmania has been the focus of recent study. Researchers discovered that these rare species have developed unique characteristics to survive, and that these characteristics may also impact the survival of its neighbors in the ecosystem.
  • Blocking a fork in the road to DNA replication

    30 October 2014, 1:29 pm

    A team of scientists has discovered the surprising manner in which an enigmatic protein known as SUUR acts to control gene copy number during DNA replication. It’s a finding that could shed new light on the formation of fragile genomic regions associated…
  • Why scratching makes you itch more

    30 October 2014, 1:29 pm

    Turns out your mom was right: scratching an itch only makes it worse. New research reveals that scratching causes the brain to release serotonin, which intensifies the itch sensation. Scientists uncovered serotonin's role in controlling pain decades ago, but…
  • Hubble sees 'ghost light' from dead galaxies

    30 October 2014, 1:29 pm

    The universe is an infinite sea of galaxies, which are majestic star-cities. When galaxies group together in massive clusters, some of them can be ripped apart by the gravitational tug of other galaxies. Astronomers using the Hubble Space Telescope to probe…
  • Together we are strong -- or insufferable

    30 October 2014, 11:49 am

    Everyone can have an impact on the dynamics of a group, particularly if they join forces with others, experts say. "What interested us most, however, was how the individual can contribute to the development of stable cooperation within the group," they say of…

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