Viagra shows selective effects in hypertensive pregnancy on mother, fetus
...adaptation. During normal pregnancy, arteries that supply the uterus with blood enlarge, allowing uterine bl...ishment of the fetus and ensuring sufficient blood supply to the uterus during labor. This vascular adaptation during pregnancy is characteristic of mammals, ...Ophthalmologists and physicists team up to design 'bionic eye'
...roid) carrying a heavy flow of blood. If the blood supply and the RPE were inside the eye, they would obscure light from the photosensitive cells. Explained Palanker: "That is why it's built upside down, because those cells on top--the bipolars and ganglions--do not require as many nutrients and as much met...Society of Nuclear Medicine offers program to meet patients' current, future needs for radionuclides
...on a reliable, affordable and sustainable domestic supply of radionuclides--has developed an important, new ...nted will assure our nation of a stable and secure supply of radionuclides for future generations," explained SNM President Mathew L. Thakur, Ph.D., in the Ap...$3 million donation accelerates TGen breast cancer research
...nly providing funding; he is bringing his years of supply chain management and logistics experience to help ...on is considered one of the leading authorities on supply chain management. He began his career as a bicycle courier for his father's delivery business and we...U. of Colorado study shows early Earth atmosphere hydrogen-rich, favorable to life
...y low temperatures in the upper atmosphere and the supply of energy from the sun." Despite somewhat higher ultraviolet radiation levels from the sun in Earth's infancy, the escape rate of hydrogen would have remained low, Tian said. The escaping hydrogen would have been balanced by hydrogen being vented b...Butterfly migration could be largest known
...h of fresh food and breeding grounds, powered by a supply of yellow fat they have built up over the winter. Painted ladies migrate every year, but usually less conspicuously and in far fewer numbers. This year, however, exceptionally high winter rainfall in southern California has created a bumper crop of p...'Motherwell's babies' study may yield up clues for adult diseases
...nt upon the mother for an adequate and appropriate supply of nutrients. Many young women today eat unbalanced diets, such as the Atkins diet, and this research in Motherwell will help us to identify if such diets have long-term effects on the health of the baby. This is an important part of research to dete...Currents could disrupt ocean food chain
...om the mixing of waters constantly replenishes the supply of phytoplankton at the surface, forming a rich nutrient source at the bottom of the marine food web. There is growing concern by a number of scientists, however, that higher levels of human-generated carbon dioxide could increase water and air temp...Talking robots, green buildings, and shockwave healing
...ter of the Sumatran earthquake. Did the earthquake supply the only warning? Or is it possible that the tsunami itself radiated seismoacoustic signals of sufficient strength and frequency for some animals (such as elephants) to detect and interpret long before it struck shore? Srinivasan Jagannathan and Nic...Antioxidant-rich diets reduce brain damage from stroke in rats
...troke occurs when a blood clot cuts off the oxygen supply to the brain like the kink in a hose cuts off water flow. Then, later, the clot is released and blood flow returns, which is known as reperfusion. The size of the stroke in the rats fed blueberry or spinach supplements was half that seen in the brain...'Termite guts can save the planet,' says Nobel laureate
...ature where a key hurdle for carbon-neutral energy supply has already been solved. Termite guts take indiges...into liquid fuels like ethanol, the world's energy supply and storage problems could both be solved at a stroke." This is where the termite guts come in. A bi...Wind turbine to stir up renewable energy research
...or an innovative wind-to-hydrogen project. It will supply 5.6 million kilowatt-hours (kWhr) of power each year to the nearby University of Minnesota, Morris (UMM) campus, supplying over half its annual electricity use. The turbine's commissioning will cap a week of activities at UMM and the WCROC with theme...... of the general public from all over the world can supply their DNA to the Genographic Project, and scientists at The University of Arizona in Tucson will do the genetic analysis. The public DNA sampling is part of a larger undertaking to unravel the origins and migratory history of mankind thousands of yea...Gene therapy completely corrects hemophilia in laboratory animals
...n safety, hemophiliacs must be near a refrigerated supply of clotting factor at all times. Over the long term, hemophiliacs suffer from joint damage and other complications related to excess bleeding. Gene therapy for hemophilia A has been especially challenging because the gene for factor VIII is quite l...Whale bones and farm soil: Sequencing biodiversity
...tle is known permitting estimates of the nutrient supply in the soil or pollution levels in the sea. The data may also be used as the starting point for estimating the total number of species on earth, as well as the number of cellular processes that make life so complex.......nd long-term drought, water resources are in short supply and will need sound managementto meet present and future needs. Safe and clean water is central to American life. We expect safe water from every faucet any time wewant, and most economic activity relies on readily available and clean water. The Amer......that are injected at intervals, producing a steady supply of allicin to penetrate and kill the cancer. The production of allicin can be "turned off" by the ceasing the administration of the ammunition - alliin. "This study was a proof of principle," says Mirelman, "demonstrating the effectiveness of this t...Growth in biomass could put US on road to energy independence
... fact, depending on several factors, biomass could supply 15 percent of the nation's energy by 2030. Meanwhile, biomass consumption in the industrial sector would increase at an annual rate of 2 percent through 2030, while biomass consumption by electric utilities would double every 10 years through 2030. ...Buying time through 'hibernation on demand'
...d prevent injury and death from insufficient blood supply to organs and tissues. "We are, in essence, temporarily converting mice from warm-blooded to cold-blooded creatures, which is exactly the same thing that happens naturally when mammals hibernate," said lead investigator Mark Roth, Ph.D., whose find...Unexpected lock and key mechanism found for the assembly of tumor blood vessels
...locking angiogenesis may choke off a tumor's blood supply and kill the cancerous cell. Varner and her team found that a specific integrin protein called alpha 4 beta 1 was produced at high levels in one part of a developing blood vessel, the interior area called the endothelia. The integrin was not produc...