Dear Reader ,
Here is your customized PHYSorg.com Newsletter for June 9, 2010:
Spotlight Stories Headlines
- Discovery in 'pop' science reveals the elegant, complex way bubbles burst (w/ Video)- Insight into structure of HIV protein could aid drug design
- 'Sound' science offers platform for brain treatment and manipulation
- Nanotech yields major advance in heat transfer, cooling technologies
- Walls falling faster for solid-state memory
- DNA scan for familial autism finds variants that disrupt gene activity in autistic kids
- Layered footballs: First two-dimensional organic metal made of fullerenes
- Big cats love Calvin Klein cologne
- Abu Dhabi to build 'world's largest' solar plant
- Self-assembling vehicles take flight (w/ Video)
- 'Dark Pulse Laser' produces bursts of... almost nothing
- A cooler Pacific may have severely affected medieval Europe, North America
- World's Oldest Leather Shoe Found in Armenia
- A tale of two atolls: Researchers study the impact of fishing on remote coral reefs
- Google gives itself a jolt of 'Caffeine'
Space & Earth news
ESA makes first GOCE dataset available
The first products based on GOCE satellite data are now available online through ESA's Earth observation user services tools. ESA launched the satellite in March 2009 on a mission to map Earth's gravity with unprecedented accuracy and spatial resolution.
Expedition 24 Set for June 15 Launch to Station
The International Space Station's Expedition 24 crew continued to make preparations Wednesday for the arrival of three additional crew members. It also worked with a variety of maintenance and science activities.
Malfunction delays South Korea satellite launch
(AP) -- South Korea's space program suffered a setback Wednesday when the planned launch of a satellite was postponed due to malfunctioning firefighting equipment.
Tracking coral larvae to understand Hawai'i reef health
Scientists can predict almost to the hour when the reef-building "rice coral" off Oahu will spawn, but no one knows where the resulting floating coral larvae go.
Large majority of Americans still believe in global warming, Stanford poll finds
Three out of four Americans believe that the Earth has been gradually warming as the result of human activity and want the government to institute regulations to stop it, according to a new survey by researchers at the Woods Institute for the Environment at Stanford University.
Researcher says chicken feathers may help in oil spill mitigation
Researchers in the Department of Chemical Engineering at the University of Delaware have developed a method to mitigate oil spills using chicken feather fibers. Prof. Richard Wool has discovered that when the fibers are cut to an optimal size, surface tension forces drive them to form self-assembled percolating networks that attract and trap oil spilled on a water surface.
Detailed Martian Scenes in New Images from Mars Orbiter
(PhysOrg.com) -- Six hundred recent observations of the Mars landscape from an orbiting telescopic camera include scenes of sinuous gullies, geometrical ridges and steep cliffs.
New radio telescope will listen to the Universe on the FM-band
(PhysOrg.com) -- The first major radio telescope to be built in Britain for many decades will 'listen' to the sky at FM frequencies, providing vast quantities of data to a supercomputer in Holland, paving the way for unexpected new discoveries.
As the Sun Awakens, NASA Keeps a Wary Eye on Space Weather (w/ Video)
Earth and space are about to come into contact in a way that's new to human history. To make preparations, authorities in Washington DC are holding a meeting: The Space Weather Enterprise Forum at the National Press Club on June 8th.
A cooler Pacific may have severely affected medieval Europe, North America
In the time before Columbus sailed the ocean blue, a cooler central Pacific Ocean has been connected with drought conditions in Europe and North America that may be responsible for famines and the disappearance of cliff dwelling people in the American West.
CH Cyg: A Close-up View of Codependent Stellar Living
(PhysOrg.com) -- This image shows the symbiotic system known as CH Cyg, located only about 800 light years from Earth. The large image shows an optical view of CH Cyg, using the Digitized Sky Survey, and the inset shows a composite image containing Chandra X-ray data in red, optical data from the Hubble Space Telescope (HST) in green, and radio data from the Very Large Array (VLA) in blue.
Oil from spill could have powered 38,000 cars (and more) for a year, researcher says
As of today (Wednesday, June 9), if all the oil from the Deepwater Horizon spill in the Gulf of Mexico had been used for fuel, it could have powered 38,000 cars, and 3,400 trucks, and 1,800 ships for a full year, according to University of Delaware Prof. James J. Corbett. That's based on the estimated spill rate of 19,000 barrels of oil per day.
Technology news
Natural energy to help power exploration of the universe
The Federal Government has announced today that the CSIRO will receive $47.3 million for the development of solar and geothermal energy technologies to power a radio-astronomy observatory and its supporting computer centre.
Cutting the Internet's carbon footprint
Over the last 20 years the Internet has grown from almost nothing to something of enormous economic and social value. But in the meantime, its consumption of electricity, which currently stands at 3% to 5% of the global supply, is increasing exponentially.
OnStar, Google Partner to Expand Turn-by-Turn Navigation
OnStar and Google have reached an agreement that will let OnStar users search for and identify destinations using Google Maps and send those destinations to the Turn-by-Turn Navigation Service in their vehicles.
IBM Unveils Software to Expand Use of Wireless Sensor Networks and Further Smarter Systems Globally
IBM today announced a new software development kit to expand the ability of companies and governments to harness sensors and digital devices to design and build intelligent products and systems. The software, available as a free download, aims to increase the global adoption of wireless sensor networks by making them easier to program and use. The announcement was made at the 2010 Sensors Expo & Conference.
Imec's cognitive baseband radio to support 4G and broadband access to multiple services
Imec introduces a cognitive baseband radio (COBRA) architecture targeting 4G requirements at up to 1Gbit/s throughput and multiple asynchronous concurrent streams (for instance simultaneous digital broadcasting reception and high-speed internet access). The low-cost, flexible architecture answers a new trend in wireless communication where terminals give their users ubiquitous broadband access to a multitude of services.
'Back to Future,' 'Jurassic Park' to become games
(AP) -- Telltale Games is going back in time for a new series of video games.
World Cup coverage expands on the Web, cell phones
(AP) -- With games airing live on cell phones and computers, the World Cup will get more online coverage than any major sporting event yet. Watching highlights the next day on TV or YouTube will suddenly seem a downright ancient way to keep up with the action.
NIST WTC recommendations are basis for new set of revised codes
Faster and more efficient emergency evacuations from buildings—especially tall structures—and better communications between first responders during an emergency are among the safety improvements expected from 17 major and far-reaching building and fire code changes approved recently by the International Code Council (ICC) based on recommendations from the National Institute of Standards and Technology. The recommendations were based on NIST's investigation of the collapses of New York City's World Trade Center (WTC) towers and WTC 7 on Sept. 11, 2001.
Conn. AG: Google gathered public Wi-Fi data to map
(AP) -- Connecticut's attorney general says Google has informed his office that it collected data over the state's public wireless networks in 2008 for its mapping service.
Y2K-style computer bug looms over Taiwan
Thousands of small businesses in Taiwan are looking with growing unease towards December 31, 2010, fearing that the New Year will trigger a local version of the Y2K "millennium bug".
Fujitsu Develops World's First Ultrafast 3D CAD Engine
Fujitsu and iCAD today announced the development of the world's first computer aided design (CAD) engine, designed to be used as part of a 3D CAD system for designing machinery that is capable of processing data for one million parts in 0.2 seconds, in Japan.
Fungus among us could become non-food source for biodiesel production
In the quest for alternatives to soybeans, palm, and other edible oilseed plants as sources for biodiesel production, enter an unlikely new candidate: A fungus, or mold, that produces and socks away large amounts of oils that are suitable for low-cost, eco-friendly biodiesel. That's the topic of a study in ACS' journal Energy & Fuels.
Sprint dials wrong number with HTC EVO 4G sales figures
US wireless carrier Sprint Nextel said it mistakenly inflated first-day sales figures for the new EVO 4G smartphone from Taiwan's HTC.
New gas sensor chip paves the way to autonomous e-nose
Imec and Holst Centre researchers have developed very sensitive integrated sensing elements for gas detection. The polymer-coated microbridges in high-density arrays can detect ppm-level concentrations of vapors using on-chip integrated read-out techniques. The demonstrated technology is very suitable for miniaturization of electronic nose devices thanks to the low power consumption (
Twitter to use own Web link shrinker this summer
(AP) -- Twitter plans to start using its own Web link shortener on addresses that users include in tweets.
Another dimension to 3-D TVs: Health risks
Teens have been known to play video games until they're glassy-eyed.
Microsoft prices $1.15B convertible debt sale
(AP) -- Microsoft Corp. has priced its $1.15 billion convertible debt offering to institutional investors, and said it will use the proceeds to pay down short-term debt.
Asian computer firms betting on a 3D future
Computer companies are betting that the future is not only bright but in three dimensions, as a string of manufacturers are set to bring 3D laptops and desktops on to the market.
Swiss solar cell inventor wins technology prize
Michael Graetzel of Switzerland has won the euro800,000 ($960,000) international Millennium Technology Prize for inventing low-cost solar cells used in renewable energy, organizers said Wednesday.
Google gives itself a jolt of 'Caffeine'
Google is getting faster and more comprehensive with a new Web indexing system called "Caffeine."
Google's AdMob attacks Apple's new mobile ad rules
(AP) -- Google Inc. thinks its increasingly bitter rival Apple Inc. is trying to muscle it out of the mobile advertising competition on the iPhone, iPad and iPod Touch.
Self-assembling vehicles take flight (w/ Video)
(PhysOrg.com) -- Researchers in Switzerland are developing miniature vehicles that can self-assemble and then take off vertically and fly as a stable array.
Abu Dhabi to build 'world's largest' solar plant
French oil firm Total and Spain's Abengoa Solar will partner with Abu Dhabi's alternative energy company Masdar to build "the world's largest" concentrated solar power plant, Masdar announced on Wednesday.
Medicine & Health news
Is IVF good value for money? Why funding of assisted reproduction is sound fiscal policy
Children conceived by medically assisted reproduction (MAR) have fiscal implications for government both in terms of future government spending and tax revenue. Based on public funding to conceive a MAR child -- after factoring in education, future health and pension costs, and future tax contributions of this child - the discounted net tax revenue (the difference between future government spending and tax revenue) of a child born in 2005 is roughly €127,000 in today's value.
CPAP therapy provides a memory boost for adults with sleep apnea
Continuous positive airway pressure therapy helps restore memory consolidation in adults with obstructive sleep apnea, suggests a research abstract that will be presented Wednesday, June 9, 2010, in San Antonio, Texas, at SLEEP 2010, the 24th annual meeting of the Associated Professional Sleep Societies.
High-school seniors with excessive daytime sleepiness have an increased risk of depression
High school seniors with excessive daytime sleepiness have an elevated risk for depression, suggests a research abstract that will be presented Wednesday, June 9, 2010, in San Antonio, Texas, at SLEEP 2010, the 24th annual meeting of the Associated Professional Sleep Societies.
Intrauterine devices reduce repeat abortions
A study from the University of Gothenburg, Sweden, which monitored a group of women for 25 years showed that the combined oral contraceptive pill (the pill) is the most common form of contraceptive among women under 29. At the same time many young women have unwanted pregnancies resulting in repeated abortions. According to the researchers increased use of an intrauterine device at a younger age would reduce the number of unwanted pregnancies.
Common Alzheimer's medication helps skills necessary for safe driving
A promising study from Rhode Island Hospital demonstrated that cholinesterase inhibitors (ChEI), a type of medication often prescribed for Alzheimer's disease (AD), improved some cognitive skills in patients with mild AD - skills that are necessary for driving. Findings from the study showed that after being treated with a ChEI, AD patients improved in some computerized tests of executive function and visual attention, including a simulated driving task. The study is published in the June 2010 edition of the Journal of Clinical Psychopharmacology.
Study finds poor compliance with cirrhosis surveillance recommendations
A study conducted by researchers at the Baylor College of Medicine found that fewer than 20% of patients with hepatocellular carcinoma (HCC) preceded by cirrhosis were monitored for the development of cancer. Full findings of this study are published in the July issue of Hepatology, a journal of the American Association for the Study of Liver Diseases (AASLD).
Changing young people's eating habits
A thesis from the University of Gothenburg, Sweden, reveals how school initiatives are succeeding in getting the message across to young people, but also points out that food advertisements are using health arguments to market unhealthy products.
Pecans provide neurological protection
Eating about a handful of pecans each day may play a role in protecting the nervous system, according to a new animal study published in the current issue of Current Topics in Nutraceutical Research. The study, conducted at the Center for Cellular Neurobiology at the University of Massachusetts Lowell, suggests adding pecans to your diet may delay the progression of age-related motor neuron degeneration. This may include diseases like amyotropic lateral sclerosis (ALS), also known as Lou Gehrig's Disease.
Late-stage ovarian cancer shows promise in two-drug phase I trial
The combination of decitabine and carboplatin appears to improve the outcome of women who have late-stage ovarian cancer. In an upcoming issue of the journal Cancer (online today), Indiana University researchers report four of 10 patients who participated in a phase I clinical trial had no disease progression after six months of treatment. One patient experienced complete resolution of tumor tissue for a period of time.
Promote healthy snacks with location, presentation
(PhysOrg.com) -- Promoting healthy snacks can be as easy as moving where they are showcased, says a Cornell expert, who is helping school lunchrooms.
Anorexia affects men, too
(PhysOrg.com) -- While eating disorders are unusual among men, the consequences can be just as devastating as for women says Dr. Jean Wilkins, a professor at the University of Montreal Faculty of Medicine and pediatrician at Sainte-Justine University Hospital Research Center.
Sleep colors your view of the world: Study suggests sleep may restore color perception
Color perception drifts away from neutrality during wakefulness and is restored during sleep, suggests a research abstract that will be presented Wednesday, June 9, 2010, in San Antonio, Texas, at SLEEP 2010, the 24th annual meeting of the Associated Professional Sleep Societies.
Sleep preference can predict performance of Major League Baseball pitchers
A Major League Baseball pitcher's natural sleep preference might affect how he performs in day and night games, according to a research abstract that will be presented Wednesday, June 9, 2010, in San Antonio, Texas, at SLEEP 2010, the 24th annual meeting of the Associated Professional Sleep Societies.
Teen automobile crash rates are higher when school starts earlier
Earlier school start times are associated with increased teenage car crash rates, according to a research abstract that will be presented Wednesday, June 9, 2010, in San Antonio, Texas, at SLEEP 2010, the 24th annual meeting of the Associated Professional Sleep Societies.
Sleep may help you become a 'Guitar Hero'
Your performance of a complex motor-learning task such as "Guitar Hero" may improve after sleep, suggests a research abstract that will be presented Wednesday, June 9, 2010, in San Antonio, Texas, at SLEEP 2010, the 24th annual meeting of the Associated Professional Sleep Societies.
First-time parents' daily sleep duration predicts their relationship satisfaction
First-time parents' relationship satisfaction is related to the amount of sleep they get while caring for an infant, according to a research abstract that will be presented Wednesday, June 9, 2010, in San Antonio, Texas, at SLEEP 2010, the 24th annual meeting of the Associated Professional Sleep Societies.
Propofol poses low risk in pediatric imaging studies, but risk increases with anesthesia duration
A new study finds that propofol, a well-known anesthesia medication, has a low occurrence of adverse events for children undergoing research-driven imaging studies. The study, led by a pediatric anesthesiologist now at Children's National Medical Center, showed a low incidence of adverse events and no long term complications when propofol was used to sedate children for imaging studies that require them to be still for long periods of time.
Cadmium investigated as cause of endometrial cancer
McDonald's announced a recall recently of 12 million "Shrek"-themed collectible glasses because traces of the toxic metal cadmium were found in them. Cadmium, a silver-white metal, is found in many substances, including certain foods and batteries, and experts believe that it might be a carcinogen. In a new study, University of Missouri researchers will investigate cadmium's potential for causing endometrial cancer.
Pain relievers linked to higher risks of heart-related deaths among healthy people
(PhysOrg.com) -- Some nonsteroidal anti-inflammatory drugs (NSAIDs) are associated with significantly higher risks of dying from heart-related causes among healthy people, according to new research reported in Circulation: Cardiovascular Quality and Outcomes, a journal of the American Heart Association.
Research Highlights Protein's Role in Cell Health
(PhysOrg.com) -- Simple, but necessary human actions like breathing oxygen can damage our cells' DNA. If left unrepaired, this damage can cause multiple mutations and the type of unregulated cell division common in cancerous tumor formation. Fortunately, our body is equipped with special proteins designed to deal with these injuries.
Quitting Smoking Before Pregnancy Could Save Babies' Lives
If more women quit smoking before they became pregnant, it would save infant lives, concludes a new study from the Centers for Disease Control and Prevention (CDC).
Another Exercise Benefit: You Won't Fall as Much
Remaining physically fit and sticking to a regular exercise routine could lower your risk of taking a tumble, finds a new research study.
Size Matters - When it Comes to DNA
(PhysOrg.com) -- A new study at the University of Leicester is examining a sequence of DNA- known as telomeres - that varies in length between individual.
Researchers report new autism genes discovered
University of Illinois at Chicago researchers are part of an international consortium working with Autism Speaks, the world's largest autism science and advocacy organization, which today reports new autism genetic discoveries.
New therapy offers hope to spinal muscular atrophy patients
Children who suffer from the devastating disease Spinal Muscular Atrophy are set to benefit from a new breakthrough in therapy developments by researchers at the University of Sheffield.
New psychological intervention program shows promise in helping those with bowel diseases
Disease is a private matter to many of us. For many reasons, we want to keep it to ourselves, and no cluster of disorders challenges patients' need for privacy more than inflammatory bowel disease.
Mutation causes intense pain
A mutation that enhances the function of a specific ion channel has been identified as the cause of a rare inherited pain disorder. The research, published by Cell Press in the June 10 issue of the journal Neuron, proposes a potential treatment for the disorder and may lead to a better understanding of chronic pain in humans.
Mechanism links abnormal blood clots with Alzheimer's disease
New research suggests that abnormalities in the process of blood clot formation may contribute to the pathogenesis of Alzheimer's disease (AD). The study, published by Cell Press in the June 10 issue of the journal Neuron, advances our understanding of the link between vascular pathology and AD and proposes a new therapeutic strategy aimed at slowing cognitive decline.
Targeted molecules play only minor role in axon repair
Neuroscientists at the University of California, San Diego School of Medicine have found that removing three key inhibitory molecules from myelin - the insulating material that surrounds nerve cell fibers - does not significantly boost the ability of injured spinal axons to regenerate and restore themselves to full function.
Compound enhances cancer-killing properties of agent in trials
Adding a second agent may make a new, experimental anti-cancer drug effective against a wide range of cancers, researchers at the University of Illinois at Chicago College of Medicine have found.
Study finds beta blockers alone more effective for first variceal bleeding
A controlled trial conducted by researchers at the E-DA Hospital in Kaohsiung, Taiwan, suggests that a combination of band ligation and nadolol may not be the most effective prophylaxis for first variceal bleeding resulting from cirrhosis. Results of this study appear in the July issue of Hepatology, a journal published by Wiley-Blackwell on behalf of the American Association for the Study of Liver Diseases (AASLD).
Personality predicts political preferences
There is a strong relationship between a voter's politics and his personality, according to new research from the University of Toronto.
Cancer wins may be bigger than they seem
(AP) -- Doctors reported gains against nearly every form of cancer at a conference that ended this week. Yet when Will Thomas heard about an advance against prostate cancer, he wanted to know just one thing: "Is it a cure?"
DNA study confirms geographical origin of Jews
New research has found Jews share a genetic bond with Cypriots and Druze and confirms the Jewish diaspora maintained a strong DNA continuity despite its long separation from the Middle East, scientists said on Wednesday.
Old gout drug found to benefit heart patients
(PhysOrg.com) -- A drug which has been used to prevent gout for more than 40 years has now been shown to be an effective treatment for angina, research at the University of Dundee has found.
Polyphenols in red wine and green tea halt prostate cancer growth
In what could lead to a major advance in the treatment of prostate cancer, scientists now know exactly why polyphenols in red wine and green tea inhibit cancer growth. This new discovery, published online in The FASEB Journal, explains how antioxidants in red wine and green tea produce a combined effect to disrupt an important cell signaling pathway necessary for prostate cancer growth. This finding is important because it may lead to the development of drugs that could stop or slow cancer progression, or improve current treatments.
Study confirms link between depression, abdominal obesity
A new study at the University of Alabama at Birmingham (UAB) confirms the relationship between depression and abdominal obesity, which has been linked to an increased risk for cancer and cardiovascular disease.
Driving while distracted is a primary-care issue
It's time for physicians to talk to patients about driving while distracted, a problem that has risen to the rough equivalence of drunken driving thanks to the proliferation of phones that allow drivers to talk and text, Amy Ship, MD, a primary care physician at Beth Israel Deaconess Medical Center suggests.
Gamma interferon a wake-up call for stem cell response to infection
Most of the time, the body's blood-forming (hematopoietic) stem cells remain dormant, with just a few producing blood cells and maintaining a balance among the different types.
New device may provide safer way to treat stroke
(PhysOrg.com) -- When someone suffers a stroke, time is critical -- more than a million brain cells die each minute, starved of nourishment due to critical damage in a cerebral blood vessel.
Researchers find two brain circuits involved with habitual learning
Driving to and from work is a habit for most commuters - we do it without really thinking. But before our commutes became routine, we had to learn our way through trial-and-error exploration. A new study out of MIT has found that there are two brain circuits involved with this kind of learning and that the patterns of activity in these circuits evolve as our behaviors become more habitual.
Individual brain cells can ID both cars and cats
Researchers at MIT's Picower Institute for Learning and Memory found that single brain cells, if confronted with a difficult task, can identify objects as dissimilar as sports cars and dogs.
Improving recovery from spinal cord injury
Once damaged, nerves in the spinal cord normally cannot grow back and the only drug approved for treating these injuries does not enable nerve regrowth. Publishing online this week in the Early Edition of the Proceedings of the National Academy of Sciences, researchers at the Johns Hopkins University School of Medicine show that treating injured rat spinal cords with an enzyme, sialidase, improves nerve regrowth, motor recovery and nervous system function.
'Sound' science offers platform for brain treatment and manipulation
The ability to diagnose and treat brain dysfunction without surgery, may rely on a new method of noninvasive brain stimulation using pulsed ultrasound developed by a team of scientists led by William "Jamie" Tyler, a neuroscientist at Arizona State University. The approach, published in the journal Neuron on June 9, shows that pulsed ultrasound not only stimulates action potentials in intact motor cortex in mice but it also "elicits motor responses comparable to those only previously achieved with implanted electrodes and related techniques," says Yusuf Tufail, the lead author from ASU's School of Life Sciences.
Insight into structure of HIV protein could aid drug design
Researchers at the University of Iowa Carver College of Medicine and University of Nebraska Medical Center (UNMC) have created a three-dimensional picture of an important protein that is involved in how HIV -- the virus responsible for AIDS -- is produced inside human cells. The picture may help researchers design drugs that can prevent HIV from reproducing.
DNA scan for familial autism finds variants that disrupt gene activity in autistic kids
(PhysOrg.com) -- The world's largest DNA scan for familial autism has uncovered new genetic changes in autistic children that are often not present in their parents. Identified in less than 1 percent of the population, these rare variants occur nearly 20 percent more in autistic children.
Biology news
Politics are a key factor in biodiversity
Political decisions are among the main driving forces that influence the survival of biodiversity. They have a direct impact on decisions in key areas of man's interaction with nature and the countryside, e.g. through agriculture, traffic or infrastructure policies. These decisions also influence many relevant socio-economic processes underlying human activities, writes an international team of scientists in the "Atlas of Biodiversity Risk", the first of its kind to be published.
Peat bog restoration methods may harm insect species
(PhysOrg.com) -- Traditional methods of restoring peat bogs may be doing more harm than good to the diversity of plant and animal life, research has found.
Malaysia officials to trap rhino for breeding
Malaysian wildlife officials on Wednesday said they plan to trap a rare female Borneo rhino caught on camera to mate with a lone male rescued two years ago.
Cycad plant depends on insect for multiple services
When a plant endemic to several islands in the Western Pacific Ocean taps the services of a helpful insect, a double-dose of benefits comes its way.
Dolphins use diplomacy in their communication
Until now, the scientific community had thought that whistles were the main sounds made by these mammals, and were unaware of the importance and use of burst-pulsed sounds. Researchers from the Bottlenose Dolphin Research Institute (BDRI), based in Sardinia (Italy) have now shown that these sounds are vital to the animals' social life and mirror their behaviour.
Chinese-German collaboration yields new species of Large Blue butterfly
Chinese and German scientists have found a new butterfly species in the south of China. It is the first known species of the family of Large Blue butterflies which lives in mountain forests.
New parasite could be late summer beach pest
Researchers at the University of Gothenburg have discovered a new sea anemone that is thought to have established itself in Swedish waters. Larvae from similar anemones causes skin problems for sea bathers in the USA.
Discovery of 'mixer cells' could improve healing
French researchers from CNRS and Universite de Nice have recently identified cells that surprisingly change identity during embryogenesis in the Drosophila. By studying these "mixer cells" in a healing model, the scientists demonstrated that they helped to relax tissue tension, allowing perfect intercalation of the epidermis.
Data acquisition and coordination key to human microbiome project
At birth, your body was 100-percent human in terms of cells. At death, about 10-percent of the cells in your body will be human and the remaining 90-percent will be microorganisms. That makes you a "supraorganism," and it is the interactions between your human and microbial cells that go a long way towards determining your health and physical well-being, especially your resistance to infectious diseases.
Hungry grey whales face a 'prey crisis', scientists warn
(PhysOrg.com) -- Scientists from the University of Bath have reported a dramatic fall in the number of grey whale sightings in British Columbia and are investigating the reasons for the disappearance of one of their main sources of prey.
Pathogens chase down migrating gypsy moths
(PhysOrg.com) -- Cornell researchers discovered that the gypsy moth's fungal and viral pathogens follow close behind migrating populations, making control efforts unnecessary, reports entomologist Ann Hajek.
So far, fish appear to be healthy after fly ash spill
(PhysOrg.com) -- Fish exposed to fly ash at the site of the Tennessee Valley Authority coal ash spill are faring better than some expected, researchers have learned.
Saudi, China scientists decode camel DNA
Scientists from Saudi Arabia and China said on Wednesday that they had completed mapping the genome of the Arabian camel.
Stem cells for first time used to create abnormal heart cells for study of cardiomyopathy
Researchers at Mount Sinai School of Medicine have for the first time differentiated human stem cells to become heart cells with cardiomyopathy, a condition in which the heart muscle cells are abnormal. The discovery will allow scientists to learn how those heart cells become diseased and from there, they can begin developing drug therapies to stop the disease from occurring or progressing. The study is published in the June 9th issue of Nature.
A tale of two atolls: Researchers study the impact of fishing on remote coral reefs
Coral reefs - kaleidoscopes of pink anemones and silver sharks - are the planet's most colorful ecosystems and among its most endangered, say marine scientists.
Big cats love Calvin Klein cologne
(PhysOrg.com) -- Workers in Wildlife Conservation Societies around the world are using a new technique to lure big cats to their heat-and-motion-sensitive cameras and keep them there long enough to enable them to be identified. The new technique is to spray the area with cologne, but not just any fragrance - it has to be Calvin Klein's "Obsession for Men".
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1 comment:
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