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Heads or tails? Scientists identify gene that regulates polarity in regenerating flatworms
The gene Smed-beta-catenin-1 has been discovered to regulate polarity in regenerating flatworms. (2007-12-06)

Discovery about behavior of building block of nature could lead to computer revolution
A team of physicists from the Universities of Cambridge and Birmingham have shown that electrons in narrow wires can divide into two new particles called spinons and a holons. (2009-07-30)

Rutgers scientist sees evidence of 'onions' in space
Scientists may have peeled away another layer of mystery about materials floating in deep space, and it involves nanotechnology. Tiny multilayered balls of carbon atoms, called (2003-04-24)

Protective prion keeps yeast cells from going it alone
Now a team of Whitehead Institute and University of Texas Southwestern Medical Center scientists has added markedly to the job description of prions as agents of change, identifying a prion capable of triggering a transition in yeast from its conventional single-celled form to a cooperative, multicellular structure. This change, which appears to improve yeast's chances for survival in the face of hostile environmental conditions, is an epigenetic phenomenon--a heritable alteration brought about without any change to the organism's underlying genome. (2013-03-28)

Clues contained in ancient brain point to the origin of heads in early animals
The discovery of a 500-million-year-old fossilized brain has helped identify a point of crucial transformation in early animals, and answered some of the questions about how heads first evolved. (2015-05-07)

New genome reveals higher Eurasian migration into ancient Africa
Researchers who uncovered a male skeleton in an Ethiopian cave have reported one of the first successful cases of sequencing the full genome of an ancient African, and their results make it clear that current African populations harbor significantly more Eurasian ancestry than previously thought, reshaping the way we interpret human history. (2015-10-08)

Metabolism may have started in our early oceans before the origin of life
The chemical reactions behind the formation of common metabolites in modern organisms could have formed spontaneously in the earth's early oceans, questioning the events leading to the origin of life. Wellcome-Trust funded researchers reconstructed the chemical make-up of the earth's earliest ocean and found the spontaneous occurrence of reaction sequences which in modern organisms are essential for the synthesis of organic molecules critical for the cellular metabolism seen in all living organisms. (2014-04-25)

New research allows doctors to image dangerous 'hardening' of the arteries
Researchers at the University of Cambridge, in collaboration with the University of Edinburgh, have shown how a radioactive agent developed in the 1960s to detect bone cancer can be re-purposed to highlight the build-up of unstable calcium deposits in arteries, a process that can cause heart attack and stroke. The technique, reported in the journal Nature Communications, could help in the diagnosis of these conditions in at-risk patients and in the development of new medicines. (2015-07-10)

Playtime with dad may improve children's self-control
Children whose fathers make time to play with them from a very young age may find it easier to control their behaviour and emotions as they grow up, research suggests. (2020-06-29)

Scientists create artificial mother of pearl
Mimicking the way mother of pearl is created in nature, scientists have for the first time synthesized the strong, iridescent coating found on the inside of some mollusks. The research was published today in the journal Nature Communications. (2012-07-24)

Sex chromosome shocker: The 'female' X a key contributor to sperm production
Painstaking new analysis of the genetic sequence of the X chromosome--long perceived as the (2013-07-21)

Geography predicts human genetic diversity
By analyzing the relationship between the geographic location of current human populations in relation to East Africa and the genetic variability within these populations, researchers have found new evidence for an African origin of modern humans. (2005-03-07)

New regulatory circuit identified for aggressive, malignant brain tumor
Research using a newly developed algorithm has significantly advanced understanding of the molecular events associated with the most common primary brain tumor in adults, human glioblastoma. (2008-04-07)

Drug mimics low-cal diet to ward off weight gain, boost running endurance
A drug designed to specifically hit a protein linked to the life-extending benefits of a meager diet can essentially trick the body into believing food is scarce even when it isn't, suggests a new report in the November Cell Metabolism. (2008-11-04)

Volcanic aerosol clouds and gases lead to ozone destruction
Volcanic eruptions destroy ozone and create (2006-11-08)

Researchers use light to beat amnesia in mice
Memories that have been destabilized and forgotten by mice can nevertheless be retrieved by activating memory engrams, or specific patterns of neurons that fire when memories are encoded, with light, researchers say. (2015-05-28)

Digital records could expose intimate details and personality traits of millions
Research shows that intimate personal attributes can be predicted with high levels of accuracy from (2013-03-11)

Chandra finds most distant X-ray cluster
The most distant X-ray cluster of galaxies yet has been found by astronomers using NASA's Chandra X-ray Observatory. Approximately 10 billion light-years from Earth, the cluster 3C294 is 40 percent farther than the next most distant X-ray galaxy cluster. The existence of such a distant galaxy cluster is important for understanding how the universe evolved. (2001-02-19)

SHEA helps hospitals navigate legal aspects of antibiotic
The Society for Healthcare Epidemiology of America today released a white paper outlining strategies for documenting the recommendations of antibiotic stewardship programs (ASP) and clarifying the stewardship team's role in patient care from a legal and quality improvement standpoint. The white paper, titled Legal Implications of Antibiotic Stewardship Programs, was published in the journal, Infection Control and Hospital Epidemiology. (2020-05-13)

MRSA outbreak mapped by DNA sequencing
Scientists have used DNA sequencing for the first time to effectively track the spread of, and ultimately contain, an outbreak of methicillin-resistant Staphylococcus aureus (MRSA), according to new research published in The Lancet Infectious Diseases. (2012-11-13)

Genome study reveals human-to-human spread of multidrug resistant mycobacterial infection
UK researchers have, for the first time, proven a long suspected concern -- that the increasingly common multidrug resistant non-tuberculous mycobacterium Mycobacterium abscessus can be spread from person to person. (2013-03-28)

Gene increases risk of breast cancer to 1 in 3 by age 70
Breast cancer risks for one of potentially the most important genes associated with breast cancer after the BRCA1/2 genes are today reported in the New England Journal of Medicine. Women with mutations in the PALB2 gene have on average a one in three chance of developing breast cancer by the age of 70. (2014-08-06)

Researchers identify gene associated with muscular dystrophy-related vision problems
A new study sheds light on a possible genetic cause of the world's third most common type of muscular dystrophy, facioscapulohumeral muscular dystrophy or FSHD. (2009-04-21)

Diabetes sniffer dogs? 'Scent' of hypos could aid development of new tests
A chemical found in our breath could provide a flag to warn of dangerously-low blood sugar levels in patients with type 1 diabetes, according to new research the University of Cambridge. The finding, published today in the journal Diabetes Care, could explain why some dogs can be trained to spot the warning signs in patients. (2016-06-27)

Listen to your heart: Why your brain may give away how well you know yourself
'Listen to your heart,' sang Swedish pop group Roxette in the late '80s. But not everyone is able to tune into their heartbeat, according to an international team of researchers -- and half of us under- or overestimate our ability. (2015-04-20)

No bones about it: Eating dried plums helps prevent fractures and osteoporosis
When it comes to improving bone health in postmenopausal women -- and people of all ages, actually -- a Florida State University researcher has found a simple, proactive solution to help prevent fractures and osteoporosis: eating dried plums. (2011-08-17)

'Wonderful' star reveals its hot nature
For the first time an X-ray image of a pair of interacting stars has been made by NASA's Chandra X-ray Observatory. The ability to distinguish between the interacting stars - one a highly evolved giant star and the other likely a white dwarf - allowed a team of scientists to observe an X-ray outburst from the giant star and find evidence that a bridge of hot matter is streaming between the two stars. (2005-04-28)

Chimpanzees found to use tools to hunt mammalian prey
Reporting findings that help shape our understanding of how tool use has evolved among primates, researchers have discovered evidence that chimpanzees, at least under some conditions, are capable of habitually fashioning and using tools to hunt mammalian prey. (2007-02-22)

Diagnostic errors linked to high incidence of incorrect antibiotic use
New research finds that misdiagnoses lead to increased risk of incorrect antibiotic use, threatening patient outcomes and antimicrobial efficacy, while increasing healthcare costs. The study was published online today in Infection Control & Hospital Epidemiology, the journal of the Society for Healthcare Epidemiology of America. (2015-05-18)

Roy Patterson named recipient of Silver Medal in Psychological & Physiological Acoustics
Roy D. Patterson, Emeritus Professor at the University of Cambridge, Cambridge, UK, has been named recipient of the Acoustical Society of America's Silver Medal in Psychological and Physiological Acoustics The award will be presented at the 170th meeting of the ASA on 4 November 2015 in Jacksonville, Florida. (2015-10-08)

Heat shock regulator controlled by on/off switch and phosphorylation
Whitehead Institute researchers have determined how the master transcriptional regulator of the heat shock response, known as heat shock factor 1 (HSF1), is controlled in yeast. Understanding how HSF1 works, how it is regulated, and how to fine tune it in a cell-type specific way could lead to therapies for cancer and neurodegenerative diseases. (2016-11-13)

Researchers shed new light on supraglacial lake drainage
Supraglacial lakes -- bodies of water that collect on the surface of the Greenland ice sheet -- lubricate the bottom of the sheet when they drain, causing it to flow faster. Differences in how the lakes drain can impact glacial movement's speed and direction, researchers from The City College of New York, University of Cambridge and Los Alamos National Laboratory report in (2013-07-16)

Studies generate hundreds of leads in the fight against the H1N1 pandemic
Scientists have generated hundreds of new leads in the fight against the H1N1 flu pandemic, according to two new studies published online Dec. 17 in the journal Cell, a Cell Press publication. Both research teams took comprehensive approaches to understanding the interaction of H1N1 strains with human cells, yielding results that point toward new targets for therapy and perhaps also new tools to speed vaccine production, the researchers say. (2009-12-17)

Dr. Brenda Milner promoted to Companion of the Order of Canada
On July 29, 2004, Her Excellency the Right Honourable Adrienne Clarkson, Governor General of Canada, announced 79 new appointments to the Order of Canada. Dr. Brenda Milner of McGill University was promoted to a Companion, the highest honour within the Order and one of only two Companions named in this announcement. There can only be 165 living Companions at any given time. (2004-08-02)

Human embryonic stem cells and reprogrammed cells virtually identical
Human embryonic stem cells and adult cells reprogrammed to an embryonic stem cell-like state -- so-called induced pluripotent stem or iPS cells -- exhibit very few differences in their gene expression signatures and are nearly indistinguishable in their chromatin state, according to Whitehead Institute researchers. Contrary to some recent research, the current findings rekindling hopes that, under the proper circumstances, iPS cells may hold the clinical promise ascribed to them earlier. (2010-08-05)

Link between immune system and mammary gland could shed new light on breast cancer
Scientists at the University of Cambridge have published new research today (July 5) in the journal Development showing an unexpected link between a fundamental part of the immune system and the cells that produce milk in the breast during lactation. (2007-07-04)

Only 4 percent of the ocean is protected: UBC research
Despite global efforts to increase the area of the ocean that is protected, only four per cent of it lies within marine protected areas (MPAs), according to a University of British Columbia study. (2015-10-26)

Variants in the SIM1 gene are associated with severe obesity
In this issue of the Journal of Clinical Investigation, two groups identified obesity-linked mutations in the gene SIM1. (2013-06-17)

Research reveals details of how flu evolves to escape immunity
Scientists have identified a potential way to improve future flu vaccines after discovering that seasonal flu typically escapes immunity from vaccines with as little as a single amino acid substitution. (2013-11-21)

Birds' eye view is far more colorful than our own
The brilliant colors of birds have inspired poets and nature lovers, but researchers at Yale University and the University of Cambridge say these existing hues represent only a fraction of what birds are capable of seeing. (2011-06-22)

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