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Here is your customized PHYSorg.com Newsletter for May 27, 2010:
Spotlight Stories Headlines
- Out Of The Woods For 'Ardi': Scientists Rip Habitat Claim for 'Breakthrough of the Year'- USAF vehicle breaks record for hypersonic flight
- Scientists detect huge carbon 'burp' that helped end last ice age
- Scientists prove even the thought of money spoils enjoyment
- Electric vehicle travels record-breaking 623 miles on a single charge
- The great pond experiment: Pond communities bear lasting imprint of random events in their past
- Nanoshell structures: Self-assembly method yields materials with unique optical properties
- Scientists offer solutions to arsenic groundwater poisoning in southern Asia
- Rosewood trees face extinction amid Madagascar's chaos
- Flu doesn't die out, it hides out
- Novel Nanoparticles Prevent Radiation Damage During Cancer Therapy
- Displays of the future: Smart, bendy, 3D and more
- The search for improved carbon sponges picks up speed
- Study: Communities with wider social networks have more economic opportunity
- US judge wants copies of Google-captured Wi-Fi data
Space & Earth news
Int'l conference to save forests opens in Oslo
(AP) -- Last December, an international conference on climate change approved global plans prevent deforestation. But those plans have not been implemented, and now a smaller meeting of nations in Oslo will try Thursday to find ways to start to put them in place - even if on a smaller scale.
NASA's SOFIA Observatory Obtains 'First Light' Imagery
(PhysOrg.com) -- NASA's Stratospheric Observatory for Infrared Astronomy, or SOFIA, successfully obtained its first in-flight, nighttime celestial observations during its "First Light" mission early Wednesday morning, May 26. Scientists are now processing the data gathered with the German-built 2.5-meter telescope and Cornell University's Faint Object infrared Camera for the SOFIA Telescope, or FORCAST, mounted in the highly modified Boeing 747SP.
Image: ISS Transits the Sun
(PhysOrg.com) -- Thilo Kranz, a staff member at DLR, the German Space Agency, took this image of the transit of the International Space Station ISS with Space Shuttle Atlantis during the STS-132 mission.
NASA sees strong thunderstorms in potential tropical cyclone near Hong Kong
NASA and other satellite data is helping forecasters get a bead on a tropical low that looks prime for development over the weekend in the Western Pacific Ocean. Infrared imagery from NASA's Aqua satellite showed System 93W has some high, cold thunderstorm cloud tops, indicating strong convection.
Distressed damsels stress coral reefs
Damselfish are killing head corals and adding stress to Caribbean coral reefs, which are already in desperately poor condition from global climate change, coral diseases, hurricanes, pollution, and overfishing. Restoring threatened staghorn coral, the damsels' favorite homestead, will take the pressure off the other corals, according to a new study published in the online journal PLoS ONE.
Second Iceland volcano could erupt in near future: experts
An Icelandic volcano neighbouring Eyjafjoell, whose eruptions paralysed Europe's skies last month, could come to life in the near future, according to experts.
Race is on for museums to host retired space shuttles
US museums are wasting no time in jostling to showcase the three retiring space shuttles after Atlantis touched down on Earth this week, capping the last scheduled mission of its 25-year career.
Scientists win 'Asian Nobel Prize' for mapping the universe
Three US scientists whose work helped map the universe are among the recipients of the one-million-US-dollar Shaw Prize, known as the "Asian Nobel," the competition's organisers said Thursday.
US oil spill clean-up boats recalled after crews fall ill
All 125 commercial fishing boats helping oil recovery efforts off Louisiana's Breton Sound area have been recalled after four workers reported health problems, officials said.
The cosmic burp of dying stars
The mysteries of the Universe and how we came to be are set to be unlocked by a technique for modelling fluids, similar to one which is becoming increasingly popular within the film industry to improve the realism of special effects.
Free iPhone application to report oil from Gulf spill
A team of software developers has created a free iPhone program that allows members of the public to report the presence of oil from the ruptured well in the Gulf of Mexico.
NASA eyes low in eastern Pacific for tropical development
The Atmospheric Infrared Sounder instrument onboard NASA's Aqua satellite captured an infrared image of a low pressure area called "90E" in the Eastern Pacific that forecasters are watching for tropical development. If the low develops it could be named Agatha.
A natural tool to tackle oil spills?
(PhysOrg.com) -- Marine bacteria could be the key to cleaning oil spills in the sea, without further damaging the environment by using chemicals, according to microbiologists at Bangor University.
NASA Satellite Spots Oil at Mississippi Delta Mouth
(PhysOrg.com) -- On May 24, 2010, the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) instrument on NASA's Terra spacecraft captured this false-color, high-resolution view of the very tip of the Mississippi River delta.
Electric ash found in Eyjafjallajokull's plume, say UK researchers
In the first peer-reviewed scientific paper to be published about the Icelandic volcano since its eruption in April 2010, UK researchers write that the ash plume which hovered over Scotland carried a significant and self-renewing electric charge.
2010 hurricane season may be worst on record: officials
The 2010 Atlantic hurricane season may be one of the worst on record, US officials warned Thursday, amid fears it could deepen an oil crisis in the Gulf of Mexico and bring new misery to Haiti.
Scientists offer solutions to arsenic groundwater poisoning in southern Asia
An estimated 60 million people in Bangladesh are exposed to unsafe levels of arsenic in their drinking water, dramatically raising their risk for cancer and other serious diseases, according to the World Health Organization (WHO).
Invisible Oil Plume Detected in Gulf Waters
(PhysOrg.com) -- Researchers aboard the University of South Florida's R/V Weatherbird II conducting experiments in a previously unexplored region of the Deepwater Horizon oil spill have discovered what initial tests show to be a wide area with elevated levels of dissolved hydrocarbons throughout the water column, possibly indicating that a limb of an undersea oil plume has spread northeast toward the continental shelf.
Scientists detect huge carbon 'burp' that helped end last ice age
(PhysOrg.com) -- Scientists have found the possible source of a huge carbon dioxide 'burp' that happened some 18,000 years ago and which helped to end the last ice age.
Technology news
Yahoo paints brightening picture through 2013
(AP) -- Yahoo expects to make more money than management previously pledged as the slumping Internet company attracts more online advertisers and reaps savings from an upcoming search partnership with Microsoft.
13th Foxconn worker reportedly attempts suicide
(AP) -- A Foxconn Technology worker tried to kill himself Thursday, becoming the 13th person to commit suicide or attempt to do so this year at the company, which makes high-tech products for industry giants such as Apple, Dell and Hewlett-Packard, state media said.
Customizing supercomputers from the ground up
(PhysOrg.com) -- Computer scientist Adolfy Hoisie has joined the Department of Energy's Pacific Northwest National Laboratory to lead PNNL's high performance computing activities. In one such activity, Hoisie will direct a group of scientists designing supercomputers and their software applications simultaneously — so all the components of a supercomputer can be optimized and focused on one kind of problem.
Google completes AdMob purchase
Google on Thursday said it has completed its purchase of mobile advertising network AdMob and is eagerly integrating its technology into the Internet giant's services.
Apple passes Microsoft as world's biggest tech co.
(AP) -- Apple has surpassed Microsoft as the largest technology company in the world by market capitalization.
Amazon, Penguin reach agreement on e-book prices
Online retailer Amazon said Wednesday it had reached agreement with publisher Penguin on pricing of electronic books for the Kindle e-reader.
Image-conscious youth rein in social networking
(AP) -- What's that? A young college grad lecturing her elders about online privacy?
Chinese court hears novelist's Google lawsuit
(AP) -- A Chinese novelist's lawsuit against Google over its online library is going ahead in court after settlement talks failed.
Privacy fears mount as ad targeting sophistication grows
In the quest for better targeted advertising, marketers are using high-tech tools that can pinpoint a person's location, demographics and habits, raising the hackles of privacy activists.
FCC gives content industry more control over your TV
You may not have noticed it, but a division of the Federal Communications Commission made a decision earlier this month that could have a big impact on your TV viewing.
Electric supercar team aims for UK first in lead-up to world record attempt across the Americas
Students driving an electric supercar will tonight try to be the first to drive an all-electric vehicle around the M25 twice on one battery charge, in the lead up to the team's attempt to cross the Americas in July this year and break a world record.
Solar-powered bamboo radio could prove a design for life for Madagascar
(PhysOrg.com) -- A design student who has created a blueprint for a solar-powered radio, constructed entirely from bamboo, is hoping her idea will help build a social enterprise opportunity in Madagascar.
3 indicted in $100 million Internet 'scareware' scheme
Three men have been indicted in connection with a Ukraine-based fraud scheme which tricked Internet users into believing their computers were infected and collected some 100 million dollars, officials said Thursday.
Could humans be infected by computer viruses?
(PhysOrg.com) -- A scientist at the University of Reading has become the first person in the world to be infected by a computer virus.
Honda to install brake override systems on all models
Honda Motor said Thursday it is installing brake override safety systems in all of its same-name and Acura-brand vehicles in the future to improve car safety in the wake of recent recalls.
Displays of the future: Smart, bendy, 3D and more
Talk about gazing into the future. Imagine ultra high-definition TVs not much thicker than a millimeter. How about electronic books made with plastic screens that flex like a magazine? Or perhaps a display that lets you touch a virtual version of yourself on the other side of the glass?
US judge wants copies of Google-captured Wi-Fi data
A federal judge has ordered Google to turn over copies of US private wireless data it captured while taking pictures for its "Street View" mapping service.
Earthquake simulation shows off the potential for safer bridges (w/ Video)
(PhysOrg.com) -- With a series of computer-controlled earthquakes, simulating some of the most devastating in recent memory, Berkeley engineers Wednesday showed off new technology designed to keep bridges not just from collapsing in a catastrophic temblor but open to traffic.
Ethanol Production Methods More Efficient Now: Study
(PhysOrg.com) -- A new University of Illinois at Chicago study of facilities that produce most of the nation's ethanol found that the energy needed to make a gallon of the corn-based fuel decreased on average by about 30 percent within the past decade.
Electric vehicle travels record-breaking 623 miles on a single charge
(PhysOrg.com) -- The Japan Electric Vehicle Club broke its own Guinness World Record last weekend by driving an electric vehicle for a distance of 623.76 miles (1,003 kilometers) without recharging. The new distance record nearly doubles the old record of 345 miles (555.6 kilometers) that was set last November.
USAF vehicle breaks record for hypersonic flight
An experimental aircraft has set a record for hypersonic flight, flying more than 3 minutes at Mach 6 - six times the speed of sound.
Medicine & Health news
AE-941, a standardized shark cartilage, does not improve lung cancer survival
The anti-cancer drug AE-941, a shark cartilage derivative, did not improve overall survival in patients with inoperable stage III non-small cell lung cancer, according to a study published online May 26 in the Journal of the National Cancer Institute.
National trial shows carotid artery surgery and stenting equally effective in preventing stroke
Physicians now have two safe and effective options to treat their patients at risk for stroke, says a researcher at Mayo Clinic who led a large, NIH-funded, national clinical trial testing surgery or use of a stent to open a blocked carotid artery.
Uncertainty over Medicare pay sets doctors on edge
(AP) -- For the third time this year, Congress is scrambling to stave off a hefty pay cut to doctors treating Medicare patients - even as the Obama administration mails out a glossy brochure to reassure seniors the health care program is on solid ground.
Alcohol-related death rates much higher in deprived areas of England and Wales
Researchers at the University of Sheffield have found that there are substantially increased death rates from alcohol-related diseases in socioeconomically deprived areas of England and Wales.
Concern about pandemic flu has positive impact on personal hygiene behaviors
Fear of the H1N1 virus appears to be the driving factor behind the adoption of preventive behaviors, according to a study published in the June issue of AJIC: American Journal of Infection Control, the official publication of the Association for Professionals in Infection Control and Epidemiology, (APIC). Researchers studying the public response during the recent H1N1 outbreak in Hong Kong concluded that fear about the pandemic prompted residents to frequently wash hands and wear face-masks.
Increasing BPA levels in urine associated with worsening male sexual function
Increasing Bisphenol-A levels in urine are associated with worsening male sexual function, according to a Kaiser Permanente study appearing online in the Journal of Andrology.
Study: Fewer infections with new heart-pump implant
A state-of-the-art heart pump recently approved for use in end-stage cardiac patients has a significantly lower risk for infection than an earlier model of the device, according to researchers at Henry Ford Hospital in Detroit.
Henry Ford Hospital: New left-side heart pump improves right-side heart function
A state-of-the-art heart pump, designed to maintain a continuous flow of blood in end-stage cardiac patients with damage to the left side of the heart, also improves function on the right side of the heart, according to researchers at Henry Ford Hospital's Heart and Vascular Institute.
From Illness to Injury, When to Stop Working Out
(PhysOrg.com) -- With all the messages about the importance of regular exercise, few pointers are given on when not to continue with your regimen. But it's just as important to know when to alter or stop your workout because of illness or injury.
Concepts of fairness and inequality develop over time
Young children are strict egalitarians, content to divvy things up equally among members of a group -- but, as those children progress from elementary school to adolescence, their sense of fairness changes to a more merit-based ideology, researchers report in the May 28 issue of Science.
NY man's kidney transplant gave him woman's cancer
(AP) -- The scenario was unique, as far as doctors could tell: A man had gotten a transplanted kidney from a woman who had uterine cancer and didn't know it.
First common gene found for congenital heart disease
Although congenital heart disease represents the most common major birth defect, scientists have not previously identified the common variation in the genes that give rise to it. Now genetics and cardiology researchers, two of them brothers, have discovered a genetic variant on chromosome 5 that strongly raises the risk of congenital heart disease.
Report: Trans fat limits lead to healthier foods
(AP) -- Holy fish sticks! Scientists finally have some good news about fat in our foods.
Anti-HIV drugs slash risk of virus transmission by 92 percent
People with HIV reduced the risk of handing on the AIDS virus by an astonishing 92 percent while they were taking antiretroviral drugs, according to a trial reported on Thursday.
Mexico to ban junk food from schools to fight fat
(AP) -- Mexico is looking to battle the bulging waistlines of its children by banning the sale of junk food in its schools, including many of the traditional treats generations of kids have grown up with.
Antiretroviral therapy associated with decreased risk of HIV transmission
Researchers have found that treating HIV-infected persons with antiretroviral therapy (ART) reduces HIV transmission to their sexual partners by more than 90 percent. The study is published this week in the Lancet.
Ultrasound could boost tissue implant success
When we think of ultrasound, it's usually imaging the inside of the body that springs to mind. However, while ultrasound imaging typically requires frequencies that are 50 to 2500 times higher than those human ear can detect, recent increasing evidence indicates that ultrasound at lower frequency can also be used to help certain body tissues to heal and regenerate. Now research that appears in Open Access Journal of Tissue Engineering published by SAGE-Hindawi suggests that ultrasound could also help tissue grafts to survive and thrive following surgery.
Color-coded tracking method helps scientists analyze outcomes of newly transplanted tissue
A group of "color-coded" laboratory mice are providing researchers with a novel way of tracking T-cells, enabling them to visualize and monitor the cellular immune responses of transplanted tissue in real time. The new imaging system is described in the June issue of Nature Medicine, which appears on-line this week.
Antiviral therapy during compensated cirrhosis most cost-effective approach
Researchers at the UCLA Medical Center found that antiviral therapy during compensated cirrhosis, when compared with all other strategies, is the most cost-effective approach to treating patients with advanced liver disease due to hepatitis C (HCV) infection. Full details appear in the June issue of Liver Transplantation, a journal published by Wiley-Blackwell on behalf of the American Association for the Study of Liver Diseases (AASLD).
Racial bias clouds ability to feel others' pain
When people witness or imagine the pain of another person, their nervous system responds in essentially the same way it would if they were feeling that pain themselves. Now, researchers reporting online on May 27th in Current Biology, a Cell Press publication, have new evidence to show that that kind of empathy is diminished when people (black or white) who hold racial biases see that pain is being inflicted on those of another race.
Researchers discover gene mutation linked to lymphatic dysfunction
A genetic mutation for inherited lymphedema associated with lymphatic function has been discovered that could help create new treatments for the condition, say researchers at the University of Pittsburgh Graduate School of Public Health. Their findings are reported in the June issue of the American Journal of Human Genetics.
Robotic-assisted vasectomy reversal offers greater chance of fatherhood
In 1989 a 29-year-old Michael Schrader had it all: steady job, a wife, and two wonderful children—daughter Courtney and son Cameron. He couldn't envision wanting more—that is, more children. Taking steps to keep his nuclear family intact, he underwent vasectomy— a procedure so routine he was back on the golf course the next afternoon.
New weapon against highly resistant microbes within grasp
An active compound from fungi and lower animals may well be suitable as an effective weapon against dangerous bacteria. We're talking about plectasin, a small protein molecule that can even destroy highly resistant bacteria. Researchers at the Universities of Bonn, Utrecht, Aalborg and of the Danish company Novozymes AS have shed light on how the substance does this. The authors see plectasin as a promising lead compound for new antibiotics.
Novel therapeutic approach shows promise against multiple bacterial pathogens
A team of scientists from government, academia and private industry has developed a novel treatment that protects mice from infection with the bacterium that causes tularemia, a highly infectious disease of rodents, sometimes transmitted to people, and also known as rabbit fever. In additional experiments with human immune cells, the treatment also demonstrated protection against three other types of disease-causing bacteria that, like the tularemia bacteria, occur naturally, can be highly virulent, and are considered possible agents of bioterrorism.
Cut the salt and ditch the drugs: Controlling blood pressure in dialysis patients
For kidney patients trying to control their blood pressure, reducing fluid build-up in the blood is more effective than using antihypertensive medications, according to an analysis appearing in an upcoming issue of the Clinical Journal of the American Society Nephrology (CJASN). The research suggests that lowering salt intake may help reduce build-up.
Cardiac biomarker indicates fluid overload in dialysis patients
Nephrologists must consider fluid overload effects when prescribing dialysis, according to a study appearing in an upcoming issue of the Clinical Journal of the American Society of Nephrology (CJASN). The fluid overload biomarker, N-terminal pro-brain-type natriuretic peptide (NT-pro-BNP), previously known as a "cardiac biomarker" in dialysis patients, is an important component of managing patients with kidney disease.
Novartis: Ovarian cancer drug disappoints in trial
(AP) -- Swiss drug maker Novartis AG said Thursday it won't ask regulators for permission to market a new ovarian cancer drug after a late-stage trial proved disappointing.
Discovery May Explain How Certain Cancers Develop
(PhysOrg.com) -- A Florida State University College of Medicine researcher has discovered a new interaction between a cell signaling system and a specific gene that may be the cause of B-cell lymphoma. The finding suggests a similar interaction could be occurring during the development of other types of cancer, leading to further understanding of how cancer works -- and how it might be stopped.
Dieting alone may not help stave off type 2 diabetes; muscle mass, strength important
low skeletal muscle mass and strength — is often found in obese people and older adults; it has been hypothesized that sarcopenia puts individuals at risk for developing Type 2 diabetes.
Research shows some people don't taste salt like others
(PhysOrg.com) -- Low-salt foods may be harder for some people to like than others, according to a newly published study by a researcher in Penn State's College of Agricultural Sciences. The research indicates that genetics influence some of the difference in the levels of salt we like to eat.
Novel Protein Essential for Successful Pregnancy
(PhysOrg.com) -- Researchers at Yale School of Medicine and their colleagues at the Society for the Investigation of Early Pregnancy have helped clarify the function of a unique protein called Preimplantation Factor, which is produced by healthy embryos to direct embryo attachment and help the mother adapt to pregnancy.
Consider Teen Activity Options When Choosing Where to Live
Choosing a neighborhood that has places to walk to and safe routes to get there can help your child maintain a healthy weight during adolescence.
Empathy: College students don't have as much as they used to
(PhysOrg.com) -- Today's college students are not as empathetic as college students of the 1980s and '90s, a University of Michigan study shows.
Dirty teeth linked to heart disease
People with poor oral hygiene are more at risk of heart disease compared with counterparts who brush their teeth twice a day, according to a Scottish study released on Friday.
Rare disorder makes people think they smell bad
(PhysOrg.com) -- A rare psychiatric disorder called olfactory reference syndrome makes its victims think they smell bad when they don't, and while this delusion may on the surface seem less serious than thinking you don't smell bad when you do, it can have consequences serious enough that psychiatrists are considering listing it as a separate disorder in the Diagnostic and Statistical Manual of Mental Disorders.
New study definitively links indoor tanning to melanoma
New research from the University of Minnesota's School of Public Health and Masonic Cancer Center definitively links the use of indoor tanning devices to increased risk of melanoma, the most serious form of skin cancer.
Supplement may prevent alcohol-related brain, skull defects
The dietary supplement CDP-choline, sold as a brain-boosting agent and under study for stroke and traumatic brain injury, may block skull and brain damage that can result from alcohol consumption early in pregnancy, Medical College of Georgia researchers report.
Nobel winner ties mental illness to immune defect
A Nobel Prize-winning University of Utah geneticist discovered that bone marrow transplants cure mutant mice who pull out their hair compulsively. The study provides the first cause-and-effect link between immune system cells and mental illness, and points toward eventual new psychiatric treatments.
Shape matters: The corkscrew twist of H. pylori enables it to 'set up shop' in the stomach
The bacterium Helicobacter pylori, which lives in the human stomach and is associated with ulcers and gastric cancer, is shaped like a corkscrew, or helix. For years researchers have hypothesized that the bacterium's twisty shape is what enables it to survive - and thrive - within the stomach's acid-drenched environment, but until now they have had no proof.
Flu doesn't die out, it hides out
Every autumn, as predictably as falling leaves, flu season descends upon us. Every spring, just as predictably, the season comes to a close. This cyclical pattern, common in temperate regions, is well known, but the driving forces behind it have been in question.
New bacterial signaling molecule could lead to improved vaccines
(PhysOrg.com) -- Many disease-causing microbes carry pumps that expel antibiotics, making the bugs hard to kill with standard drugs.
The network in our heads: What our brains have in common with the internet
(PhysOrg.com) -- Our brain works as a set of networks - much like the internet. Could our understanding of the internet help us in understanding our brains? Gabriele Lohmann and her colleagues from the Max Planck Institute for Human Cognitive and Brain Sciences in Leipzig, Germany, have now developed a method for utilizing techniques known from internet search engines to analyze fMRI data of the human brain. Using this new method, they compared hungry versus sated subjects and found that subjects seem to feel "rewarded" when they are sated.
Scientists prove even the thought of money spoils enjoyment
(PhysOrg.com) -- The idea that money does not buy happiness has been around for centuries, but now scientists have proven for the first time that even the thought of money reduces satisfaction in the simple pleasures of life.
Biology news
Two new frog species discovered in Panama's fungal war zone
Trying to stay ahead of a deadly disease that has wiped out more than 100 species, scientists at the Smithsonian Tropical Research Institute continue to discover new frog species in Panama: Pristimantis educatoris, from Omar Torrijos National Park, and P. adnus from Darien Province near the Colombian border.
Rats damage huge swathes of China's grasslands
A plague of rats has gobbled up vast swathes of grasslands in north China, sparking a mass extermination drive amid concerns for herders, state media said Thursday.
Solar panels can attract breeding water insects
Solar power might be nature's most plentiful and benign source of energy, but shiny black solar cells can lure water insects away from critical breeding areas, a Michigan State University scientist and colleagues warn.
Memory of mum's voice remains strong for young sea lions
(PhysOrg.com) -- Young sea lions are able to recognise their mother's voices long after they've been weaned, a new Macquarie University study has found. The research provides rare evidence of the long-term memory capacity of wild mammals.
Technique Detects More Than 700 Antimicrobial-Resistance Genes
(PhysOrg.com) -- Using an advanced genetic screening technique, Agricultural Research Service (ARS) scientists and cooperators have detected, for the first time, more than 700 genes that give microbes like Salmonella and E. coli the ability to resist antibiotics and other antimicrobial compounds.
First radio tracking of tropical orchid bees
Blue-green orchid bees zip through increasingly scarce patches of tropical forest pollinating rare flowers. For the first time, researchers at the Smithsonian Tropical Research Institute track unique signals from tiny transmitters glued to individual orchid bees, yielding new insight into the role of bees in tropical forest ecosystems.
Oil spill threatens toothy marine predator that is cultural and historic icon
The BP oil blowout in the Gulf of Mexico threatens the existence of a critically endangered sawfish and its relative that recently has been proposed to join it as the only two marine fish in United States waters to receive such federal protection, says a University of Florida researcher.
Rosewood trees face extinction amid Madagascar's chaos
Political and social chaos and a lack of international protections have put several species of rosewood trees in Madagascar in danger of becoming extinct from illegal logging, according to a policy forum paper in the latest issue of Science.
Researchers use novel sperm stem-cell technique to produce genetically modified rats
For two decades, the laboratory mouse has been the workhorse of biomedical studies and the only mammal whose genes scientists could effectively and reliably manipulate to study human diseases and conditions.
The great pond experiment: Pond communities bear lasting imprint of random events in their past
(PhysOrg.com) -- A seven-year experiment shows that pond communities bear the imprint of random events in their past, such as the order in which species were introduced into the ponds. This finding locates one of the wellsprings of biodiversity but also suggests that it may not be possible to restore ecosystems whose history we cannot recreate.
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