Dear Reader ,
Here is your customized PHYSorg.com Newsletter for June 3, 2010:
Spotlight Stories Headlines
- 'Mars crew' locked up for 520 days of isolation- Early Earth haze likely provided ultraviolet shield for planet
- Mars rover instrument helps identify outcrop of long-sought rare rock on Mars
- Biologists provide molecular explanation for the evolution of Tamiflu resistance
- Advanced Robotic Arm Controlled by Monkey's Thoughts (w/ Video)
- Hubble Images Suggest Rogue Asteroid Smacked Jupiter
- What is Consuming Hydrogen and Acetylene on Titan?
- Some sauropods really did hold their long necks high
- New surveillance camera system provides text feed
- Astronomers solve Walt Whitman meteor mystery
- Moving repeatedly in childhood linked with poorer quality-of-life years later
- Drug substitutes for training in rats, inducing a memory of safety
- Fires in Amazon challenge emission reduction program
- Superbug's CPU revealed: Researchers discover chemical clue directing Staphylococcus aureus
- Big Brother in the wild: Natural and sexual selection in wild insect population
Space & Earth news
Image: X-51A Makes Longest Scramjet Flight
(PhysOrg.com) -- The X-51A successfully made the longest supersonic combustion ramjet-powered hypersonic flight to date off the southern California coast on May 26. It was powered by a SJX61-2 that was first validated in a NASA wind tunnel.
Operating in orbit: Astronaut Bobby Satcher recounts his experience in space
As an orthopedic oncologist who studies bone that has been damaged by cancer, Robert ?Bobby? Satcher ?86, PhD ?93, HST MD ?94 is also interested in the effects of microgravity on the human body. He got the chance to experience those effects firsthand when he became the first orthopedic surgeon to venture into space in November 2009.
Gulf oil spill may harm U.S. grain exports, says market economist
(PhysOrg.com) -- With the latest failed efforts to stop the flow of oil from an uncapped well into the Gulf of Mexico, projections are that the spill may not be contained until late summer, or later.
Aquatic life declines at early stages of urban development
The number of native fish and aquatic insects, especially those that are pollution sensitive, declines in urban and suburban streams at low levels of development — levels often considered protective for stream communities, according to a new study by the U.S. Geological Survey.
520-day Mars simulation: Study looks at impact of stress and fatigue
Ever wondered what it would be like to go on a mission to Mars? On June 3, a six-man international crew entered an isolation chamber in Moscow for a simulated 520-day Mars mission conducted by the State Scientific Center of the Russian Federation - Institute for Biomedical Problems (IBMP) of the Russian Academy of Sciences. The crew has a mission schedule full of more than 90 experiments and realistic scenarios, including emergency situations, 20-minute communications delays and a trip to the martian surface.
EU sues six nations for failure to adopt green laws
The European Commission announced on Thursday it is taking six member states to court for failing to transpose EU environmental rules into national law.
NASA Images Show Oil's Invasion Along Louisiana Coast
(PhysOrg.com) -- By combining data from multiple cameras of JPL's MISR instrument on NASA's Terra satellite, scientists gain new perspectives on the spread of oil into Louisiana's fragile wetlands.
Alien Climates Play Key Role in Possibility of Life
A new study of how climate conditions have affected the origin and evolution of life on Earth could provide clues to understanding how climates on alien planets might affect their potential for life.
Fresh insight into the origins of Planet Earth
For the first time, an international team of researchers has incorporated extensive geochemical data on the formation of Earth into a model - with surprising results: more models can be used for the process of Earth's accretion than previously assumed.
Old Moon Rover Beams Surprising Laser Flashes to Earth
A Soviet robot lost on the dusty plains of the Moon for the past 40 years has been found again, and it is returning surprisingly strong laser pulses to Earth.
Large Meteor Tracked over Northeast Alabama
On the evening of May 18, NASA all-sky meteor cameras located at NASA's Marshall Space Flight Center and at the Walker County Science Center near Chickamauga, Ga. tracked the entry of a large meteor estimated to weigh some 60 pounds over northeastern Alabama.
Oasis near Death Valley fed by ancient aquifer under Nevada Test Site
Every minute, 10,000 gallons of water mysteriously gush out of the desert floor at a place called Ash Meadows, an oasis that is home to 24 plant and animal species found nowhere else in the world.
Study: Coral atolls hold on despite sea-level rise
(AP) -- Some South Pacific coral atolls have held their own or even grown in size over the past 60 years despite rising sea levels, research showed Thursday.
Discrepant features found in cosmic ray energy spectra
(PhysOrg.com) -- In May a University of Maryland-led team of scientists reported some previously unknown features in the energy spectra of cosmic ray nuclei, which have been studied for almost 100 years. Cosmic rays were discovered in 1912 with an electroscope carried on a manned hot air balloon.
BP cuts off broken oil pipe with giant shears
BP on Thursday successfully cut off a fractured oil pipe using giant shears, pressing ahead with its latest bid to seal the Gulf of Mexico leak as President Barack Obama announced a third trip to the region.
PayPal millionaire's rocket making 1st test flight (Update)
The privately-owned SpaceX prepares for a first rocket flight on Friday, a key test in developing commercial launchers capable of servicing the orbiting International Space Station.
Fires in Amazon challenge emission reduction program
Fire occurrence rates in the Amazon have increased in 59% of areas with reduced deforestation and risks cancelling part of the carbon savings achieved by UN measures to reduce greenhouse gas emissions from deforestation and degradation.
Astronomers solve Walt Whitman meteor mystery
(PhysOrg.com) -- In his landmark collection Leaves of Grass, famed poet Walt Whitman wrote of a "strange huge meteor-procession" in such vivid detail that scholars have debated the possible inspiration for decades.
'Mars crew' locked up for 520 days of isolation
Six men from Europe, Russia and China were Thursday locked away from the outside world for the next one-and-a-half years, in an unprecedented experiment to simulate the effects of a mission to Mars.
Hubble Images Suggest Rogue Asteroid Smacked Jupiter
(PhysOrg.com) -- Without warning, a mystery object struck Jupiter on July 19, 2009, leaving a dark bruise the size of the Pacific Ocean. The spot first caught the eye of an amateur astronomer in Australia, and soon, observatories around the world, including NASA's Hubble Space Telescope, were zeroing in on the unexpected blemish.
Early Earth haze likely provided ultraviolet shield for planet
A new study shows a thick organic haze that enshrouded early Earth several billion years ago may have been similar to the haze now hovering above Saturn's largest moon, Titan, and would have protected primordial life on the planet from the damaging effects of ultraviolet radiation.
Mars rover instrument helps identify outcrop of long-sought rare rock on Mars
(PhysOrg.com) -- It's amazing what cleaning your glasses can reveal. A mineral-scouting instrument developed at Arizona State University has found an outcrop of rock rich in carbonates in the Columbia Hills of Gusev Crater on Mars, according to a report published online June 3 in the journal Science. The instrument is onboard NASA's Mars Exploration Rover Spirit.
What is Consuming Hydrogen and Acetylene on Titan?
(PhysOrg.com) -- Two new papers based on data from NASA's Cassini spacecraft scrutinize the complex chemical activity on the surface of Saturn's moon Titan. While non-biological chemistry offers one possible explanation, some scientists believe these chemical signatures bolster the argument for a primitive, exotic form of life or precursor to life on Titan's surface. According to one theory put forth by astrobiologists, the signatures fulfill two important conditions necessary for a hypothesized "methane-based life."
Technology news
Did bloggers bring down the German president?
President Horst Koehler's shock resignation this week came after mainstream media jumped on comments about Germany's overseas role that they would have missed if it hadn't been for bloggers.
German minister: Facebook not good enough on data
(AP) -- Facebook still isn't doing enough to protect users' data, Germany's consumer protection minister said Thursday, adding that she plans to give up her account.
US court weighs school discipline for Web posts
(AP) -- A U.S. appeals court heard arguments Thursday over whether school officials can discipline students for making lewd, harassing or juvenile Internet postings from off-campus computers.
Murdoch hails Apple's Jobs as top US CEO
Media magnate Rupert Murdoch hailed Apple chief executive Steve Jobs on Wednesday, saying there was "not much doubt" he was the best CEO in America and predicting iPad sales would hit 10 million this year.
Pay-by-phone catching on with smart-phone set
"I don't have any cash on me" may no longer be a valid excuse with new credit card readers that can be used with mobile phones. In a potential boon to street vendors, mom-and-pop shops and even those who lend a few bucks to a friend, several companies have rolled out ways to use cell phones to instantly process credit card payments.
Google buys advertising technology startup Invite Media
Google on Thursday announced it has bought advertising technology startup Invite Media, which allows advertisers to bid on ad space.
First round of bidding closes for Newsweek
A first round of bidding closed for Newsweek magazine amid feverish speculation over who will step forward to buy the money-losing publication.
EU court deals setback to online betting sites
Europe's highest court on Thursday handed down a setback to online betting sites, ruling that member states are allowed to ban them from operating to help combat fraud and protect consumers.
Cyber Command chief warns of 'remote sabotage'
The top US cyberwarrior said Thursday that Pentagon networks are probed over six million times a day and expressed concern about a rise in "remote sabotage" attacks on computer systems.
Students develop device to help blind manuever
Ben-Gurion University of the Negev students have developed an innovative optical radar system that helps blind people maneuver around obstacles.
Innovative research reawakens human memories through intelligent textiles
As part of the 2010 Congress of the Humanities and Social Sciences, two teams of researchers led by Professor Barbara Layne of Concordia University, Montreal, and Professor Janis Jefferies at Goldsmiths, University of London, U.K., have brought research in intelligent textiles to a new level.
A community-centric approach to automated service composition
In recent years, the Internet has been evolving from a primarily publication platform to a user participatory platform. With the proliferation of services available on the Internet, millions of users are able to voluntarily participate in the development of their own interests and benefits by means of service composition. However, due to the ever increasing number of services, enabling users to rapidly select and access these services has become a challenging issue.
Dell founder considered taking company private
Dell chairman and chief executive Michael Dell said Thursday that he has considered taking the US computer giant he founded more than 25 years ago private.
Investors find little market for mobile-centric domains
Rick Schwartz made his fortune the new-fashioned way, raking in millions of dollars buying and flipping domain names, like Candy.com, which he sold for $3 million.
PC users can now use computers to test stress levels
A new gadget that helps computer users check their stress and mood levels was unveiled Thursday at Asia's biggest IT trade fair.
Ultra-precise optical systems for space
(PhysOrg.com) -- Metal mirrors made with extremely high precision and exactly positioned are the key elements of modern telescopes. A new production technique enables complex optical surfaces to be manufactured with excellent trueness of shape and hitherto unattained positional accuracy. The mirrors have been built for an infrared sounder telescope.
Carnegie Mellon's Soccer-Playing Robots Get Creative With Physics-Based Planning (w/ Video)
(PhysOrg.com) -- Robot soccer players from Carnegie Mellon University competing in this month's RoboCup 2010 world championship in Singapore should be able to out-dribble their opponents, thanks to a new algorithm that helps them to predict the ball's behavior based on physics principles.
Publishers see signs the iPad can restore ad money
(AP) -- Good news for the news business: Companies are paying newspapers and magazines up to five times as much to place ads in their iPad applications as what similar advertising costs on regular websites.
New surveillance camera system provides text feed
(PhysOrg.com) -- Scientists at the University of California in Los Angeles (UCLA) have developed a prototype surveillance camera and computer system to analyze the camera images and deliver a text feed describing what the camera is seeing. The new system aims to make searching vast amounts of video much more efficient.
Advanced Robotic Arm Controlled by Monkey's Thoughts (w/ Video)
(PhysOrg.com) -- Researchers at the University of Pittsburgh have demonstrated a monkey controlling an advanced robotic arm by using its thoughts. The experiments were led by Dr. Andrew Schwartz, a professor of neurobiology and involved a high degree of complexity in the robotic arm, the level of control, and the intricacy of the manipulations.
Medicine & Health news
UT Southwestern unveils next generation CT scanner that views whole organs in a heartbeat
UT Southwestern Medical Center is the first site in North Texas to launch the next generation in CT scanners, which allow doctors to image an entire organ in less than a second or track blood flow through the brain or to a tumor - all with less radiation exposure to patients.
Use of testosterone for 'male menopause' questionable says DTB
The use of synthetic testosterone to combat symptoms of the so-called "male menopause" is questionable, given that it's not clear whether such a syndrome exists, and that the evidence of the hormone's effectiveness in these circumstances is inconclusive, says the Drug and Therapeutics Bulletin (DTB).
Inspiratory muscle training and endurance sport performance
An Indiana University study found that strengthening inspiratory muscles by performing daily breathing exercises for six weeks significantly reduced the amount of oxygen these same breathing muscles required during exercise, possibly making more oxygen available for other muscles.
Compression clothing and athletic performance -- functional or fad?
Two Indiana University studies examined the influence of compression garments on athletic performance and both found little influence: Abigail Laymon, researcher in the Department of Kinesiology, is presenting "Lower Leg Compression Sleeves: Influence on Running Mechanics and Economy in Highly Trained Distance Runners;" Nathan Eckert, a human performance doctoral student in the Department of Kinesiology, is presenting "Limb Compression Does Not Alter Jump Height Variability During The Vertical Jump."
How does the human brain memorize a sound?
Sound repetition allows us to memorize complex sounds in a very quick, effective and durable way. This form of auditory learning, which was evidenced for the first time by French researchers from CNRS, ENS Paris, and Paris Descartes and Toulouse universities, is believed to occur in daily life to help us identify and memorize sound patterns; it allows, for example, immediate recognition of sounds which become familiar through experience, such as the voice of relatives.
ASGE issues guideline on ethnic issues in endoscopy
The American Society for Gastrointestinal Endoscopy (ASGE) has issued guidelines addressing ethnicity, gastrointestinal diseases and endoscopic procedures. The guideline suggests that colorectal cancer screening should begin at age 45 for average risk African-American men and women, and that it is recommended that colorectal cancer screening be emphasized for other minority ethnic groups that have lower screening utilization rates. It is noted in the statement that weaker recommendations are indicated by phrases such as "we suggest," whereas stronger recommendations are typically stated as "we recommend." This guideline, "Ethnic issues in endoscopy," was developed by ASGE's Standards of Practice Committee and appears in the June issue of GIE: Gastrointestinal Endoscopy, the monthly peer-reviewed scientific journal of the ASGE.
Consistent and successful islet isolations offer diabetes hope
A team of researchers from several collaborating Baylor University research centers and from Japan's Okayama Graduate School of Medicine have found a way to more consistently isolate pancreatic islet cells from brain dead donors using ductal injection (DI), a process that immediately cools donor islet cells at the injection site. The more successful islet isolation process resulted in the three type 1-diabetes patients, who received islet cell transplants, becoming insulin independent.
To burn more fat, skip breakfast before workout
(AP) -- Running on empty may not be such a bad idea after all. Though many athletes eat before training, some scientists say that if you really want to get rid of more fat, you should skip the pre-workout snack.
Stage II and stage III colon cancer patients treated after 1995 have improved overall survival
Patients with stage III colon cancer treated with 5-FU-based chemotherapy after complete surgical removal of their tumor after 1995 had improved overall survival with no change in time to recurrence compared to patients treated before 1995. In contrast, patients with stage II colon cancer treated after 1995 had longer time to recurrence and time from recurrence to death compared to those patients treated prior to 1995, according to Mayo Clinic and Gr Hospitalier Pitie-Salpetriere, Paris, researchers. They will present the study's findings on June 4-8, 2010, at the American Society of Clinical Oncology (http://www.asco.org/) annual meeting in Chicago.
Growth hormone safe for infants with chronic kidney failure
Infants with chronic renal failure (CRF) grow slowly, a problem that usually improves with aggressive nutritional therapy. When it doesn't, growth hormone is a safe and effective treatment to promote growth, according to a study appearing in an upcoming issue of the Clinical Journal of the American Society of Nephrology (CJASN).
Cysts hold clues to pancreatic cancer
Working with researchers from the University of Michigan and Indiana University, Van Andel Research Institute (VARI) investigators have developed a method that could be used to predict whether pancreatic cysts are benign or are precursors to invasive cancer.
Study: Most kidney dialysis patients not prepared for emergency evacuation
Immediately after Hurricane Katrina in August 2005, the survival of more than 5,800 Gulf Coast kidney dialysis patients was threatened as the storm forced closure of 94 dialysis units. Within a month 148 of these patients had died.
2 studies: Social factors, 'super users' and urban emergency departments
Difficulties with shelter, transportation, insurance, and health care costs are linked with heavier emergency department usage by so-called "super-user" patients in urban areas, according to research at Henry Ford Hospital.
Olive-oil enriched diet helps breast cancer survivors lose more weight
Researchers from The Miriam Hospital have found that olive oil may offer another potential health benefit - it produces greater weight loss in breast cancer survivors compared to a more traditional low-fat diet.
Study: Emergency department computer keyboards and bacteria
Keyboards located in triage and registration areas were found to be more contaminated with bacteria than those in other areas of the Emergency Department at Henry Ford Hospital in Detroit, according to a new study conducted by the hospital.
WHO chief says swine flu is still a pandemic
(AP) -- The head of the World Health Organization says swine flu is still a pandemic even though the period of most intense activity appears to have passed.
Bone replacement from laser melting
(PhysOrg.com) -- In a medical emergency, a puncture of the cranium is commonly treated with an implant. While replacements made of titanium merely plug holes, a new kind of degradable implant stimulates the body to regenerate itself: It is custom-fit and disappears to the same extent that the bone regrows.
New antibiotic proves safe and well tolerated
(PhysOrg.com) -- A new antibiotic to combat drug-resistant bacteria has proved safe and well tolerated in a phase I clinical trial with plans for a phase II trial underway.
Snuffing out smoking in those with HIV
While researchers have done a good job documenting health problems associated with the high prevalence of smoking among Americans who have HIV/AIDS, it's now time to focus on how to get these smokers to kick the habit, Saint Louis University School of Public Health research finds.
Study finds vaginal microbes vary among healthy women
The delicate balance of microbes in the vagina can vary greatly between healthy women, according to a new study led by the University of Maryland School of Medicine's Institute for Genome Sciences. Researchers hope further study will lead to personalized reproductive medicine for women, allowing doctors to tailor each woman's treatment and health maintenance strategies to her individual microbial make-up.
Online games new marketing tool for unhealthy foods
UC Davis public health researchers have found that children, who are already saturated with television messages about unhealthy food choices, are the targets of a new medium used to sell high-fat, high-sugar foods: advergames.
1 in 5 high schoolers abuse prescription drugs
(AP) -- A new report shows one in five high school students have taken a prescription drug that they didn't get from a doctor.
Research suggests mining in Africa is spreading TB
(PhysOrg.com) -- Mining for gold, diamonds, and precious minerals is dangerous work, but in sub-Saharan Africa the activity could be driving an entire continent's tuberculosis epidemic, a new Oxford-led study has found.
CDC: American cigarettes contain more carcinogens
Cigarette-smoking Americans receive higher doses of the most potent carcinogens than do smokers in many foreign countries because of variations in the way tobacco is processed for cigarettes, researchers from the Centers for Disease Control and Prevention reported Monday.
Good grades? It's all in who you know
(PhysOrg.com) -- Enrichment classes, after-school activities, tutoring, not to mention the gentle prodding of parents — all may count in giving a child that extra academic edge. But parents still puzzle over what the right mix is to make their children excel in school.
Study links cardiorespiratory fitness, stroke risk
(PhysOrg.com) -- A study by researchers at the University of South Carolina's Arnold School of Public Health has found that men with low levels of cardiorespiratory fitness are 60 percent more likely to die of stroke than men who are moderately fit or highly fit.
Spending time in nature makes people feel more alive, study shows
Feeling sluggish? The solution may require getting outside the box - that big brick-and-mortar box called a building.
Wash off tarballs, but brief encounters not risky
(AP) -- Oil has now washed up on the beaches of three Gulf states. How dangerous is it?
New gene therapy proves effective in treating severe heart failure
Researchers at Mount Sinai School of Medicine have developed a new gene therapy that is safe and effective in reversing advanced heart failure. SERCA2a (produced as MYDICAR) is a gene therapy designed to stimulate production of an enzyme that enables the failing heart to pump more effectively. In a Phase II study, SERCA2a injection through a routine minimally invasive cardiac catheterization was safe and showed clinical benefit in treating this patient population and decreasing the severity of heart failure. The data were presented this week at the Heart Failure Congress of the European Society of Cardiology in Berlin.
Reducing Alzheimer's-related protein in young brains improves learning in Down syndrome animal model
June 3, 2010 - Reducing a protein called beta-amyloid in young mice with a condition resembling Down syndrome improves their ability to learn, researchers at UT Southwestern Medical Center have found.
Autism finding could lead to simple urine test for the condition
Children with autism have a different chemical fingerprint in their urine than non-autistic children, according to new research published tomorrow in the print edition of the Journal of Proteome Research.
Researchers approaching universal treatment for all strains of influenza
Researchers at Mount Sinai School of Medicine have discovered a novel component of the influenza virus that may be the key to disabling the virus's ability to replicate itself and to developing a universal anti-viral treatment. The findings were published June 1 online in Proceedings of the National Academy of Sciences.
Adolescent brains biologically wired to engage in risky behavior, study finds
There are biological motivations behind the stereotypically poor decisions and risky behavior associated with adolescence, new research from a University of Texas at Austin psychologist reveals.
Study finds genetic links among Jewish people
Using sophisticated genetic analysis, scientists at Albert Einstein College of Medicine of Yeshiva University and New York University School of Medicine have published a study indicating that Jews are a widely dispersed people with a common ancestry. Jews from different regions of the world were found to share many genetic traits that are distinct from other groups and that date back to ancient times.
Drug substitutes for training in rats, inducing a memory of safety
Researchers have found a way to pharmacologically induce a memory of safety in the brain of rats, mimicking the effect of training. The finding suggests possibilities for new treatments for individuals suffering from anxiety disorders.
Commonly used seizure drug could treat severe genetic liver disease: study
The liver scarring of [alpha]1-antitrypsin (AT) deficiency, the most common genetic cause for which children undergo liver transplantation, might be reversed or prevented with a medication that has long been used to treat seizures, according to findings from Children's Hospital of Pittsburgh of UPMC and the University of Pittsburgh School of Medicine that will published in Science and are available online today through the Science Express website.
Mice Show How a Human Height Gene Works
(PhysOrg.com) -- A gene linked to greater height and later puberty in large population studies shows a true biological effect, according to a new study from Children's Hospital Boston that finds mice with this variant are larger and have delayed sexual maturity. The mouse model, published online May 30 in Nature Genetics, provides a new tool to study metabolism, growth and developmental timing.
Moving repeatedly in childhood linked with poorer quality-of-life years later
Moving to a new town or even a new neighborhood is stressful at any age, but a new study shows that frequent relocations in childhood are related to poorer well-being in adulthood, especially among people who are more introverted or neurotic.
Biology news
Scientists seek blight-resistant spuds
Potatoes offering elevated levels of phytonutrients thought to promote health could add a new dimension to the consumer diet. But the journey from farm to fork can be a perilous one fraught with sundry microorganisms ready to attack the spuds, either while they're still in the ground or during storage.
Gates open on understanding potassium channel controls
Walter and Eliza Hall Institute scientists have made a significant advance in understanding how potassium channels, which permit the flow of electric currents central to many of the body's biological processes, control the flow of these currents.
Study finds epigenetic similarities between Wilms tumor cells and normal kidney stem cells
factors controlling when and in what tissues genes are expressed - of Wilms tumor reveals striking similarities to stem cells normally found in fetal kidneys. These findings by Massachusetts General Hospital (MGH) Cancer Center researchers have revealed new cellular pathways that are critical for Wilms tumor development and may also apply to other pediatric cancers. The report appears in the June 4 Cell Stem Cell.
Scientists find new home for threatened orchids
(PhysOrg.com) -- For many people uprooting and moving to a new home is a stressful and time consuming exercise, however it pales in comparison to the complexity of relocating native populations of rare and endangered orchids.
Zinc switches found in plants
Geneticists have discovered two gene switches in plants which enable better zinc intake. This paves the way for plant breeders to reduce malnutrition.
How did higher life evolve? Scientists determine the complete genome sequence of brown alga
With the world's first complete sequencing of a brown algal genome, an international research team has made a big leap towards understanding the evolution of two key prerequisites for higher life on Earth - multicellularity and photosynthesis. As the internationally renowned science magazine Nature reported in its latest issue, about 100 scientists and technicians, during a five-year research project, successfully decoded all hereditary information - commonly known as the "genome" - of Ectocarpus siliculosus, an up to 20 cm large brown seaweed, which occurs mainly along coastlines in temperate latitudes. They have analyzed approximately 214 million base pairs and assigned these to about 16,000 genes.
Mongooses pass traditions on to their young, too
For the passing on of traditions, it appears that an especially big brain isn't required. A new report published online on June 3rd in Current Biology, a Cell Press publication, shows that even mongooses in the wild carry out traditions that are passed down from one generation to the next.
For the first time, scientists capture very moment blood flow begins
By capturing movies of both the blood and vasculature of zebrafish embryos, each less than two millimeters long, researchers have been able for the first time to see the very moment that blood begins to flow.
Biosensors reveal how single bacterium gets the message to split into a swimming and a stay-put cell
Some species of bacteria perform an amazing reproductive feat. When the single-celled organism splits in two, the daughter cell - the swarmer - inherits a propeller to swim freely. The mother cell builds a stalk to cling to surfaces.
Big Brother in the wild: Natural and sexual selection in wild insect population
Tracing the success of individual wild insects in leaving descendants is now possible according to new research by University of Exeter biologists using a combination of digital video technology, tagging and DNA fingerprinting.
The biomechanics of information: Going more miles per gallon with your brain
The hunting strategy of a slender fish from the Amazon is giving researchers more insight into how to balance the metabolic cost of information with the metabolic cost of moving around to get that information.
This email is a free service of PhysOrg.com
You received this email because you subscribed to our list.
If you no longer want to receive this email use the link below to unsubscribe.
http://www.physorg.com/profile/nwletter/
You are subscribed as mail@joashmabs.com
No comments:
Post a Comment