New Article Alert
Fat Regulating Hormone Found in AmphibianFor the first time, researchers have identified an amphibian version of the human hormone leptin. While the hormone's impact on human development is unclear, the new study suggests leptin plays an important role in tadpole growth and development.
"Leptin likely sets the stage for growth and development, both signaling to the brain that there are sufficient energy stores and directly promoting tissue growth and development," said University........Go to the Media-blog (Added on 8/11/2006 7:11:04 AM)
Antarctic snowfall hasn't changed in 50 yearsFor an animated graphic of snowfall variability across Antarctica and over time and b-roll of the U.S. ITASE traverse on Betacam SP, contact Dena Headlee (firstname.lastname@example.org) (703) 292-7739.
The most precise record of Antarctic snowfall ever generated shows there has been no real increase in precipitation over the southernmost continent in the past half-century, even though most computer models assessing........Go to the Media-blog (Added on 8/11/2006 6:49:30 AM)
The 'Good Life' elusive for middle classIn research to be presented at the American Sociological Association's annual meeting, Phyllis Moen, McKnight Presidential Chair in Sociology at the University of Minnesota, says that middle class couples who both work struggle to compete in job environments designed for single earners with no family responsibilities. According to Moen, couples still are operating under outdated work policies and practices and institutional and organizational........Go to the Media-blog (Added on 8/11/2006 6:42:53 AM)
Microbe In The Depths Of Ocean LifeScientists from MIT and six other institutions are part of a new center for exploring the microbial inhabitants of the sea.
The Center for Microbial Oceanography: Research and Education (C-MORE) will facilitate collaborations among the previously separate disciplines of oceanography, microbiology, ecology and genomics. These new alliances will enable a deeper understanding of the seas, including their potential response to global........Go to the Media-blog (Added on 8/10/2006 11:48:38 PM)
Texts to reveal 'Whodunnit'Psychologists at the University of Leicester are to investigate texting language to provide new tools for criminal investigation.
The forensic linguistic study based in the Forensic Section of the School of Psychology will examine how well an individual can be identified by their texting style.
A prior case where this was used was the investigation of murder a few years ago. At the 2002 trial an alibi was broken based on the evidence that........Go to the Media-blog (Added on 8/10/2006 6:42:42 AM)
An Oblique Look On The North Lunar Far WestThis image, taken by the Advanced Moon Imaging Experiment (AMIE) on board ESA's SMART-1 spacecraft, provides an 'oblique' view of the lunar surface towards the limb, around the Mezentsev, Niepce and Merrill craters, on the far side of the Moon.
"This cratered terrain is similar in topography to near-side highlands," says SMART-1 Project scientist Bernard Foing, "while the far-side equator bulge can reach heights of 7 km, and the South Pole........Go to the Astronomy-blog (Added on 8/9/2006 11:59:29 PM)
Assessment Of Aggressive Boys' NeedsA decision support system, in form of a checklist with 20 risk- and need factors, complements clinical evaluation of boys between the ages of six and twelve with behavioural problems, according to new research from Karolinska Institutet.
Prolonged aggressive and disruptive behaviour in childhood is a strong risk marker for criminality and mental health problems in adulthood. Early identification of boys with increased risk of problems in the........Go to the Media-blog (Added on 8/9/2006 11:40:22 PM)
Fair price hikes vs. unfair price hikesA new study from the recent issue of the Journal of Consumer Research shows that consumers align material goods and services separately when considering explanations for price hikes. Consumers think it is fair to raise the price of a good when the cost of obtaining that good also increases for the vendor, for example with produce during a low-yield season. Similarly, consumers think raising the cost of a service is fair when the cost of........Go to the Media-blog (Added on 8/9/2006 11:28:53 PM)
new mobile robot that balances and moves on ballCarnegie Mellon University researchers have developed a new type of mobile robot that balances on a ball instead of legs or wheels. "Ballbot" is a self-contained, battery-operated, omnidirectional robot that balances dynamically on a single urethane-coated metal sphere. It weighs 95 pounds and is the approximate height and width of a person. Because of its long, thin shape and ability to maneuver in tight spaces, it has the potential to........Go to the Media-blog (Added on 8/9/2006 11:26:19 PM)
Antioxidants against tick-borne illnessFor hikers, campers and others who enjoy the outdoors, summer can bring concerns about tick bites and related illnesses such as Rocky Mountain spotted fever. Researchers are investigating the role that antioxidants -- alpha-lipoic acid and potentially others like green tea and vitamins C and E, for example might play in preventing or treating the deadly rickettsia bacteria.
The National Institute of Allergy and Infectious Disease, part of........Go to the Media-blog (Added on 8/9/2006 10:17:27 PM)
Arctic Coring Expedition Yield New CluesFor the second time in as many months, the IODP Arctic Coring Expedition (ACEX) is making news with new analysis of ocean-floor sediments. In the Aug. 10 issue of Nature, an article authored by several of the expedition scientists summarizes their findings: more evidence that the Arctic was extremely warm, unusually wet, and ice-free up to the time the last massive amounts of greenhouse gases were released into the Earth's atmosphere - a period........Go to the Media-blog (Added on 8/9/2006 10:11:45 PM)
New Rocket Technology From PurduePurdue University engineers are conducting research to help NASA develop rockets faster and less expensively for future missions to Mars and the moon.
The NASA-funded research at Purdue focuses on liquid-fueled rockets. Specifically, the work deals with understanding how fuel and a component called the oxidizer interact inside the rocket engine's fuel injectors to cause unstable combustion. The instability results in extreme bursts of heat........Go to the New-technology-blog (Added on 8/9/2006 7:20:20 AM)
Teamwork: Where The Weak Help The StrongGroup work is the name of the game in many companies. The thinking is that workers will learn more and help each other when they are put into groups composed of people with a variety of expertise. But does this always happen? Some recent research suggests that it may not. at least not always.
"In order to understand how things happen in groups, you need to be aware of the group's hierarchy of status and influence," said Stuart Bunderson,........Go to the Media-blog (Added on 8/8/2006 9:55:48 PM)
Smooth Transition To CollegeAs fall quickly approaches, so does the time for which a number of parents and students have long been waiting - some would say, dreading - the first day of college.
Your child's departure for college is a monumental step and one that you can start preparing for when your child is just taking his or her first steps, says a Washington University in St. Louis expert on the college experience.
"The journey from cradle to campus is filled........Go to the Media-blog (Added on 8/8/2006 9:50:35 PM)
Hard Thoughts On Soft InheritanceOrganisms, including humans, all inherit DNA from generation to generation, what biologists call hard inheritance, because the nucleotide sequence of DNA is constant and only changes by rare random mutation as it is passed down the generations.
But there also is evidence, especially in plants, that non-genetic factors modifying the DNA can also be inherited. The modifications of the genetic material take the form of small chemical additions........Go to the Media-blog (Added on 8/8/2006 12:25:04 AM)
more effective smoking cessationResults of a new imaging study, supported in part by the National Institute on Drug Abuse (NIDA), National Institutes of Health, show that the nicotine received in just a few puffs of a cigarette can exert a force powerful enough to drive an individual to continue smoking. Researchers found that the amount of nicotine contained in just one puff of a cigarette can occupy about 30 percent of the brain's most common type of nicotine receptors,........Go to the Media-blog (Added on 8/8/2006 12:12:24 AM)
Best Memorization StrategiesExploring exactly why some individuals' memory skills are better than others has led researchers at Washington University in St. Louis to study the brain basis of learning strategies that healthy young adults select to help them memorize a series of objects. Using functional magnetic resonance imaging (fMRI), the researchers uncovered brain regions specifically correlated with the diverse strategies that subjects adopt.
Brenda Kirchhoff,........Go to the Media-blog (Added on 8/7/2006 11:59:35 PM)
Surprise Finding For Stretched DNAMost of us are familiar with the winding staircase image of DNA, the repository of a biological cell's genetic information. But few of us realize just how tightly that famous double helix is wound. Stretched to its full length, a single molecule of human DNA extends more than three feet, but, when wound up inside the nucleus of a cell, that same molecule measures about one millionth of an inch across. Biologists have long believed that as a........Go to the Media-blog (Added on 8/7/2006 11:40:13 PM)
Hoosier Leaders Are Closer To Having The DataHoosier leaders are closer to having the data they need to make informed policy and decisions, thanks to a new grant awarded by Lilly Endowment Inc. for the Indiana Business Research Center (IBRC) at Indiana University's Kelley School of Business.
The $1.1 million award will enable the IBRC to continue and expand its work in connection with the Information for Indiana (IFI) initiative. Information for Indiana is an effort to ensure that........Go to the Media-blog (Added on 8/7/2006 10:23:32 PM)
Storing Man-made Carbon DioxideDeep-sea sediments could provide a virtually unlimited and permanent reservoir for carbon dioxide, the gas that has been a primary driver of global climate change in recent decades, as per a team of researchers that includes a professor from MIT.
The scientists estimate that seafloor sediments within U.S. territory are vast enough to store the nation's carbon dioxide (CO2) emissions for thousands of years to come.
"The exciting thing........Go to the Media-blog (Added on 8/7/2006 10:02:57 PM)
Hyena Mothers Give Dose of HormonesResearchers have discovered that a dominant hyena puts her cubs on the road to success before they are born by passing on high levels of certain hormones that make her budding young leaders more aggressive and sexually advanced.
The report, reported in the April 27 issue of Nature, is the first study in mammals to demonstrate a relationship between a female's social rank and her ability to influence her offspring's behavior through prenatal........Go to the Media-blog (Added on 8/11/2006 9:10:39 PM)
Amphibian DeclinesThe National Science Foundation (NSF) funds ecology research in many areas, ranging from ecological ethics to tracking diseases responsible for amphibian declines, from human-landscape interactions to the ecological effects of Gulf Coast hurricanes, and biodiversity's importance to human and ecosystem health.
Scientists are presenting results of this research at the annual Ecological Society of America (ESA) meeting in Memphis, Tenn, Aug.........Go to the Media-blog (Added on 8/11/2006 7:05:19 AM)
Parental Time And Childhood ObesityThe fight against obesity in children just got a new weapon, thanks to a multi-year study by scientists from Texas A&M University.
The study observed that the amounts and quality of time parents spent with their children has a direct effect on children's rates of obesity, said Dr. Alex McIntosh, lead researcher. McIntosh is professor of sociology with a research appointment from Texas Agricultural Experiment Station.
The U.S. Department........Go to the Media-blog (Added on 8/10/2006 11:58:04 PM)
Never marrieds has highest risk of early deathPeople who never marry have the greatest chance of an earlier death, reveals a study in the Journal of Epidemiology and Community Health.
The findings are based on national census and death certification data, involving almost 67,000 adults in the USA between 1989 and 1997.
In 1989, almost one in two of the sample were married, and almost one in 10 were widowed. Around 12% were divorced and 3% were separated. Of the remainder, 5% were........Go to the Media-blog (Added on 8/10/2006 7:02:18 AM)
Genetics Of Successful AgingScientists have identified genes related to reaching age 90 with preserved cognition, according to a study published in the recent issue of the American Journal of Geriatric Psychiatry. The study, which was conducted at the University of Pittsburgh is among the first to identify genetic links to cognitive longevity.
"Successful aging has been defined in many ways, however, we focused on individuals who had reached at least 90 without........Go to the Media-blog (Added on 8/10/2006 6:48:26 AM)
Invasive Species Alter HabitatWhen researchers study habitats that alien species have invaded, they commonly find predictable patterns. The diversity of native species declines, and changes occur in natural processes such as nutrient cycling, wildfire frequency and the movement of water through the system.
But simply observing such changes doesn't prove that the invaders are responsible.
University of Michigan scientists Emily Farrer and Deborah Goldberg, however,........Go to the Media-blog (Added on 8/9/2006 11:55:42 PM)
New Mammal DiscoveredFossils of a new hoofed mammal that resembles a cross between a dog and a hare which once roamed the Andes Mountains in southern Bolivia around 13 million years ago was discovered by Darin A. Croft, assistant professor of anatomy at the Case Western Reserve University School of Medicine and a research associate at the Cleveland Museum of Natural History
With Federico Anaya from Universidad Autónoma........Go to the Media-blog (Added on 8/9/2006 11:47:11 PM)
Kodak pianos? Buick aspirin?Ever heard of Kodak pianos? How about Buick aspirin? While most consumers may correctly infer that these products are not made by the same companies that make the cameras or the automobiles, a new study in the recent issue of the Journal of Consumer Research presents compelling evidence that well-known brand names are weakened by the existence of imitative brand names even in different product categories. The process is known as trademark........Go to the Media-blog (Added on 8/9/2006 11:34:05 PM)
High Blood Sugar May Cause Cognitive ImpairmentA four-year study of elderly women has observed that chronically elevated blood sugar is linked to an increased risk of developing either mild cognitive impairment (MCI) or dementia.
The study was the first to investigate the association over time between glycosylated hemoglobin - a long-term measure of blood sugar - and the risk of cognitive difficulties, and the first to investigate that association in people without diabetes. It appears........Go to the Media-blog (Added on 8/9/2006 11:19:47 PM)
Genetic Snooze Button Governs Timing Of Spring Flowers In the long, dark days of winter, gardeners are known to count the days until spring. Now, researchers have learned, some plants do exactly the same thing.
Addressing researchers here today (Aug. 9) at a meeting of the American Society of Plant Biologists, University of Wisconsin-Madison researcher Richard Amasino described studies that have begun to peel back some of the mystery of how plants pace the seasons to bloom at the optimal time........Go to the Media-blog (Added on 8/9/2006 10:24:33 PM)
West Coast Crustacean Found In Atlantic WatersMIT researchers have confirmed the first sighting of a Dungeness crab in the Atlantic Ocean. The male, whose species is common on North America's West Coast, was caught off Thatcher Island, Massachusetts, on July 19 by Lou Williams, captain of the fishing vessel Orin C.
The origin of the crab is not known. One possibility is that it may have been purchased from a live seafood market and released. The size of the crab (18 cm) and its gender........Go to the Media-blog (Added on 8/9/2006 10:03:42 PM)
Landscapes and human behaviorOn Arizona State University's (ASU) Polytechnic campus, graduate student families in the cluster of six houses abutting lush lawns and ornamental bushes spend time together talking while their kids play outside. Meanwhile, the families in a nearby cluster of six homes barely know each other. But that may be in part because their homes sit on native Sonoran desert, not nearly as conducive to recreation as the lush microclimate scientists........Go to the Media-blog (Added on 8/9/2006 7:16:30 AM)
Social Stresses OverlookedWhen thinking about the well-being of elderly adults, most people focus on medical care, but mental health care is a growing, pressing concern for elderly adults and their families. "At least one in five elderly adults suffer from a mental disorder and experts in geriatric mental health anticipate an 'unprecedented explosion' of elderly adults with disabling mental disorder," says Enola K. Proctor, Ph.D., a mental health care expert and........Go to the Media-blog (Added on 8/8/2006 10:00:36 PM)
Learning From Near-impossible MissionsProjects for space researchers and astronomers taught LogicaCMG a lot about building mission-critical systems. Customers across the world have benefited from this experience.
"Your mission is almost impossible. If you choose to accept it, you'll have to land a small probe on the surface of Titan, Saturn's giant moon".
"We don't know what it's like there - no one has been before. Your mission is to gather data and get it back to Earth.........Go to the Astronomy-blog (Added on 8/8/2006 9:43:39 PM)
Electricity Blackouts: A Hot Summer TopicIntense heat and record-breaking energy demand strained New England's electrical grid nearly to its limit on Wednesday, Aug. 2, but the regional system rose to the challenge, says an MIT professor who studies the economics of electricity distribution.
"They did really well in managing the system on a very difficult day," said Paul Joskow, the Elizabeth and James Killian Professor of Economics and Management.
Electricity demand in New........Go to the Media-blog (Added on 8/8/2006 9:33:28 PM)
New Learning StrategyCentral to being human is the ability to adapt: We learn from our mistakes. Previous theories of learning have assumed that the size of learning naturally scales with the size of the mistake. But now biomedical engineers at Washington University in St. Louis have shown that people can use alternative strategies: Learning does not necessarily scale proportionally with error.
In so doing, Kurt Thoroughman, Ph.D., assistant professor of........Go to the Media-blog (Added on 8/8/2006 12:19:04 AM)
The oxygen balanceOxygen is one of the most significant keys to deciphering past climates. Oxygen comes in heavy and light varieties, or isotopes, which are useful for paleoclimate research. Like all elements, oxygen is made up of a nucleus of protons and neutrons, surrounded by a cloud of electrons. All oxygen atoms have 8 protons, but the nucleus might contain 8, 9, or 10 neutrons. "Light" oxygen-16, with 8 protons and 8 neutrons, is the most common isotope........Go to the Media-blog (Added on 8/7/2006 11:52:28 PM)
Use The Abdomen To Deliver OxygenScientists at the University of Pennsylvania School of Medicine have helped develop a technique in animal models for using the abdominal cavity to exchange gas, supplementing the function normally performed by the lungs. The goal is to provide a way to support patients who are on a mechanical ventilator, suffering from reversible lung failure, but who need extra time and support to heal -- beyond what a ventilator can provide -- in order to........Go to the Media-blog (Added on 8/7/2006 11:47:43 PM)
Search Engines Are Not Biased Towards Well-known Web SitesSearch engines are not biased towards well-known Web sites. In fact, they actually produce an egalitarian effect as to where traffic is directed, say scientists at the Indiana University School of Informatics.
Their study, "Topical interests and the mitigation of search engine bias," appears in the Aug. 7-11 issue of the Proceedings of the National Academy of Sciences and challenges the "Googlearchy" theory -- the perception that search........Go to the Media-blog (Added on 8/7/2006 10:28:18 PM)
Kayaks Adapted To Test Marine RoboticsMIT scientists are working toward the day when a team of robots could be put into action like a team of Navy SEALs -- doing such dangerous work as searching for survivors after devastating hurricanes or sweeping harbors for mines.
Working in labs that resemble machine shops, these engineers are taking small steps toward the holy grail of robotics -- cooperative autonomy -- making machines work together seamlessly to complete tasks with a........Go to the Media-blog (Added on 8/7/2006 9:52:43 PM)