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Maternal, paternal genes' tug-of-war may last well into childhood

...derived genes are suppressed and paternal genes dominate, are born heavy with particularly large tongues. These individuals usually end up being tall, owing to their rapid growth both in the womb and as young children. They have a high frequency of childhood cancers. "Clinical data from imprinting disor...

Healing wounds with lasers, vehicles that drive themselves, other cutting-edge optics

... noise and improve the sensitivity of interferometers. He and his colleagues argue that a very slight thermally-induced movement of a mirror's surface owing to thermal noise is accompanied by associated changes in other physical parameters, such as the index of refraction of the mirror. These correlated ch...

Protective footwear for diabetics at a high-street price

... footwear specialist Maria Clara developed and tested a model featuring an elasticised fabric upper section for diabetics unable to wear leather shoes owing to advanced deformities. Good foot hygiene being especially important for diabetics, the team also spent some time developing and testing insoles and ...

Laughing hyenas, wailing levees, the sound of cheese and blaring bagpipes

...ersity, the right whales were located and identified by their distinctive "up calls," which are part of the animals' extensive vocalization repertory. owing to the low number of right whales, the return of the animals to a former whaling ground is an exciting discovery, says Mellinger. The talk "Acousti...

Forest inventories in California include more than trees

...methodologies," explains Donnegan. "The results were specific for that region or part of the country, but comparisons and analyses weren't easily made owing to the variety of techniques used. The national Forest Inventory and Analysis Program now uses standard measurement and analysis techniques." Standa...

Forest inventories in Oregon include more than trees

...methodologies," explains Donnegan. "The results were specific for that region or part of the country, but comparisons and analyses weren't easily made owing to the variety of techniques used. The national Forest Inventory and Analysis Program now uses standard measurement and analysis techniques." Standa...

New molecular insight into vertebrate brain development

...on. Decreased YAP/TEAD activity led to increased cell death, while repression of YAP/TEAD target genes induced premature neuronal differentiation. owing to the evolutionary conservation of the Hippo signaling pathway, Dr. Gage states that "understanding the HIPPO path may bring insights to human brain ...

Aspirin and atherosclerosis

... Aspirin has become one of the most widely used medications in the world, owing to its ability to reduce pain, fevers, inflammation, and blood clotting. In animal studies, aspirin has also been shown to prevent atherosclerosis, th...

Sony Cyber-shot Cameras Get Smarter

...is ideal for anyone who wants to have what Lubell calls "bragging" photos of their kids, pets, vacation or sports highlights with them at all times. owing to the model's internal database, thousands of photos can be searched in-camera by event, date, smile or face, including children and infants; display...

Let the cat keep chasing the mouse

...an wildcat has managed to survive mainly in the forests of the Carpathian Mountains, the Balkans, Spain, and France and in the Central German Uplands. owing to strict conservation measures they have been able to start spreading again slowly over recent decades in Central Europe. Nevertheless, the species i...

August 2008 Geology and GSA Today media highlights

.... found this evidence in the remarkable preservation of a 300 million-year-old glacial landscape and associated glacial sediments in western Colorado. owing to the close proximity of the glacier to ancient sea level, the toe of the ice is estimated to have reached within less than 500 meters of elevation -...

Leatherback turtles' newly discovered migration route may be roadmap to salvation

...ng the leatherback population on the beaches of Playa Grande has already been made. Local villagers used to harvest the turtle eggs quite heavily, but owing to efforts on the part of pioneering leatherback researcher and coauthor Jim Spotila (Drexel University), the Leatherback Trust, and staff and volunte...

Scientists decipher fruit tree genome for the first time

...son (University of Georgia) and Maqsudul Alam (University of Hawaii). Papaya is a very important crop in great part of Latin America and the USA owing to its nutritional benefits and medical applications, and provides an annual income of about 130 million dollars only in the state of Hawaii. In Europ...

Sierra Nevada rose to current height earlier than thought, say Stanford geologists

...rs old, a time span when volcanism was rampant in the western United States owing to the ongoing subduction of the Pacific plate under the continental crust ...range reached its present elevation approximately 3 or 4 million years ago, owing to major changes in the subsurface structure of the mountains, Mulch said. ...

Scientists debate the accuracy of Al Gore's documentary 'An Inconvenient Truth'

...s assertions about trends in precipitation, floods, droughts and storms in particular (3). He concludes that there are significant errors in the film, owing to alarmism and exaggeration, which give a false impression of both the current state of climate change and that the science is settled. In another...

March GEOLOGY and GSA TODAY media highlights

...rnish, are common on rocks in desert environments worldwide. These coatings have been the subject of intense scientific debate and extensive research, owing to their potential for indicating past climates, for dating geological surfaces, and, via artwork carved in varnish, for providing information about a...

The construction of heart modelling leads path to new therapies

...ent. Progress is being held back however by the difficulty testing new therapies on human heart tissue, with animal models being only of limited value owing to differences in structure and activity. The only solution in the absence of real human models is to create computerised in-silico models that simula...

No convincing evidence for decline in tropical forests

...tation is not occurring, as there is plenty of local evidence for that. But owing to the lack of frequent scientific monitoring, something for which he has c... ha to 1,756 million ha for the same 90 countries between 1980 and 1990. owing to corrections to the earlier study, the 1990s trend was just like a 're-ru...

UN climate conference hears how EO can help

...rn. While deforestation rates in non-peatland areas are decreasing slightly owing to depletion of forest resources, those on peatlands have been rising for t...In 2005, 25 percent of all deforestation in Southeast Asia was on peatlands owing to demand for land on which to establish plantations. Current UNFCCC negoti...

A genetic identity card for Plasmodium populations to improve control strategies

...ently affects between 300 and 600 million people in various parts of the world. Several malaria-hit regions are experiencing an advance of the disease owing to the parasites increasing resistance to most antimalarial drugs. Any increase in efficacy of medical treatments, with optimal limitation of resistan...

Research identifies protein that signals flowering in squash plants

...re it acts together with other factors to induce flowering. The precise nature of the florigenic signal has eluded plant biologists for over 70 years, owing to the difficulties attendant with the accurate detection and measurement of compounds in phloem sap, and designing experiments to allow accurate moni...

A new plant-bacterial symbiotic mechanism promising for crop applications

..., cultivation of legumes living in symbiotic association with bacteria can contribute to vegetation regeneration schemes on soils depleted in nitrogen owing to overexploitation, erosion or desertification. The plant cover thus formed can help achieve ecological restoration, by enriching the soils in nitrog...

Einstein's tea leaves inspire new blood separation technique

...begins to circulate, one might intuitively expect the microscopic particles such as red blood cells would be pulled to the outside wall of the chamber owing to centrifugal force. But because of a phenomenon called the "tea leaf paradox," the particles are instead pulled inward near the bottom of the chambe...

Researchers hot on the trail of brain cell degeneration

...reduce the cell destruction signals caused by calcium entry. Finding new targets for medicine development is also significant in terms of the economy, owing to the costly treatment of these diseases, both in Finland and globally. Cooperation between biocentres gets research going The teams' st...

Small, smaller, smallest -- The plight of the vaquita

... suggested that the vaquita has always been rare and that its extreme loss of genomic variability occurred over evolutionary time rather than recently owing to human-caused mortality. Instead of those factors, the “smoking gun?in this instance is accidental mortality in fishing gear, something popularly kn...

Like a snail through the intestinal canal

...luence the degree of friction by creating holes in the muco-adhesive or indeed by closing the holes. Moreover, by selecting different shapes, which owing to their compact size can achieve high degrees of friction, the device can be made smaller. The researchers are currently building a prototype that w...

Speeding discovery of the 'human cancer genome'

...rage one form of liver cancer, called hepatocellular carcinoma. Hepatocellular carcinoma is the fifth most frequent form of cancer worldwide but, owing to the lack of effective treatment options, represents the third leading cause of death, Lowe said. The only curative treatments involve surgery or tr...

Cracking the genetic code for control of gene expression

...de analysis of regulatory elements in several species. Studying the control of gene expression is a growing area of research at the moment, likely owing to its fundamental importance to many biological processes. The findings of the Finnish scientists have implications to the study of cancer, evolution...

Common viruses may cause cancer

...nt of human cancer. The study also raises concerns about the use fusogenic viruses as vectors for human gene therapy or in other clinical applications owing to the possibility that such viruses might cause cancer. The idea that aberrations in the number or structure of chromosomes can spur tumor formatio...

Multiple genes permit closely related fish species to mix and match their color vision

...L. Carleton of the University of New Hampshire, and their colleagues. Cichlid fish of the East African Rift Lakes are renowned for their diversity: owing to migrations of ancestor species out of Lake Tanganyika and into other lakes, such as Lake Malawi, it has been estimated that hundreds of new cichlid...

Chernobyl: The true scale of the accident

...d recovery operation workers, some increase in particular cancers (e.g., leukemia) has already been observed. Confusion about the impact has arisen owing to the fact that thousands of people in the affected areas have died of natural causes. Also, widespread expectations of ill health and a tendency to ...

Progress on HIV/AIDS significant but insufficient

...table discussion, but coverage of prevention programmes was still low. Globally, fewer than one person in five had access to services to prevent AIDS, owing to the hesitation of leaders and to persistent taboos relating to sexuality and high-risk behaviour. The main recommendations included targeting preve...

Weight control protein may yield antiobesity drugs

...ood lipid levels and their livers grew to more than twice their normal size owing to a massive accumulation of fat, Rui said. Moreover, the animals develo...imbalance of more than 60% higher than normal animals at 18?9 weeks of age, owing to voracious feeding. The mice also exhibited defects in the leptin signali...

IMF Launches World’s First DNA Database for Myeloma Patients

...exploring the role of genital divergence in the process of speciation. Divergence in a copulatory organ might be especially important in speciation -- owing to its obvious link to reproduction, which largely defines species boundaries. Evolutionary changes in male genital morphology between populations may...

Certain fish have a special mating preference

...exploring the role of genital divergence in the process of speciation. Divergence in a copulatory organ might be especially important in speciation -- owing to its obvious link to reproduction, which largely defines species boundaries. Evolutionary changes in male genital morphology between populations may...

Bioelectronic ‘signatures?hold key to DNA mutations

...several individual nanocrystals, known as quantum dots, from four heavy metal salts of lead, cadmium, zinc and copper. Such nanocrystals were selected owing to their ability to yield distinct electronic signatures, with four well-resolved current peaks. Next, the nanocrystals are piggybacked onto individua...
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