Hopkins' Young Investigators' Day winners shine in the spotlight
...general, science will be in very good shape in the decades ahead," says Professor of Medicine Theresa Shapiro, M.D., Ph.D., who chaired this year's awards review committee. The 21 winners mirror science's international appeal: They come from Egypt, China, Italy, Viet Nam and India as well as the United St...Tipsheet: April journals of the American Society for Microbiology
...e journal Infection and Immunity. "For several decades the Mycobacterium-bovis-derived bacillus Calmette-... be due to reactivation of latent disease acquired decades earlier. In view of this, the vaccine strategy espoused here may also have applications to preventi...Study finds new way that brain detects motion
...though cognitive scientists have known for several decades that the brain uses changes in the visual image to measure self-motion, a scientist at the University of Rochester has uncovered a new trick that the mind uses to judge just how quickly were hurtling toward something. The findings are in the April 12...Immune system helps prevent tumors after all
... the immune system in tumor formation was proposed decades ago, scientists envisioned a process called immunosurveillance, wherein the immune system catches a cell at the beginning of its transformation into a tumor cell. In contrast, Schreiber and his colleagues think their discoveries suggest immunoediting...Ribosome insight could help combat antibiotic resistance
...Although these antibiotics were discovered several decades ago, we haven't understood in detail how they work." Recently, several groups of researchers have been developing high resolution three-dimensional structure of both subunits of the ribosome by using macromolecular X-ray crystallography. A group at...Krauss book explores universe from oxygen atom's perspective
...ront of the latest discoveries over the past three decades in astronomy, biology, geology, and physics to explore the long-term development of the universe. "The book explains how discoveries over the past 30 years have changed our vision of nature, and have led us to understand such things as how one might...Key step in gene activation discovered
...T." Although researchers had known for over three decades that each member of the family of HAT complexes has the power to grab a chemical configuration called an "Acetate Group" from the circulating cellular material and attach it to the Histone proteins in the core of a nucleosome, no one had been able to...Study offers insights into evolutionary origins of life
...three billion years ago. Until almost two decades ago, many researchers thought that RNA was nothing more than a molecular interpreter that helps translate DNA codes into proteins. Then scientists discovered that not all enzymes were proteinssome were made of RNA. Over the past decade, they have de...Chemists spin materials to improve magnetic resonance data
...ons of radioactive waste from decades of nuclear weapons production are stored at the site, in tanks that are now leaking into the ground. "It's an environmental nightmare," Grandinetti said, "and we de...Scientists record extraordinary sounds made by minke whales
...sound known as the "A train" has been recorded for decades and some researchers have attributed it to minke whales, but there have been few sightings of whales when it has been recorded. It is a mechanical, repetetive sound, but very different from the star-wars sound, Gedamke said. The U.S. Navy's Office of...July media highlights: GEOLOGY and GSA TODAY
...show that erosion rates measured over the past few decades are, on average, roughly 20 times lower than the average erosion rates over thousands or millions of years. This is because erosion is extremely episodic, with over 90 percent of the long-term sediment yield occurring during extreme events (such as ...Montana State University begins major trout and salmonid book collection
...mplete Angler." Fred Roush is dead now, but for decades Allan Roush of Bozeman, Mont., kept the rare volume. Recently he donated it to Montana State University-Bozeman, where it has become a signature piece in a new Trout and Salmonid Collection at the MSU Renne Library. "Nobody said, 'Don't do this. ...Microbiologists find a new source of nitrogen fixation
...e a nitrogen-poor diet of plant matter had posed a decades old puzzle. Although nitrogen gas makes up 80 percent of the air we breathe, only certain microbes can capture and use it for growth - a process called nitrogen fixation. Once nitrogen gas becomes "fixed" by microbes, it enters the food chain and is ...Climate change puts food production at risk
...production losses of more than 20% over the coming decades due to global warming, predicts a new report to be released at a conference on global change in Amsterdam next week. The new report from IIASA (the International Institute of Applied Systems Analysis), Global Agro-ecological Assessment for Agricultur...Chemicals in frying pan a potential hazard to environment
...n contain TFA, an acidic byproduct that takes many decades to degrade. "By measuring TFA levels in rainwater ...xic to plants) but, more importantly, it will take decades for TFA to degrade. We don't know what the long-term environmental impacts are." The scientists also...Excessive fishing prompted coastal ecosystems to collapse, but wise management now will help
...act along the worlds coasts show that time lags of decades to centuries occurred between the beginning of overfishing and changes in ecological communities, the group wrote. Thats because comparable unfished species took the place of exploited species until they too were overfished or died of epidemic diseas...Scientists: Collapse of coastal ecosystems tied to past overfishing
...w they function, and just looking back a couple of decades isnt going to tell us, Bjorndal says....UCSD biologists identify genetic mechanism conferring resistance to 'Bt toxins'
...of Bt resistance in insects. "For a couple of decades now," says Griffitts, the senior author of the paper, "researchers have been grinding up insect guts and finding components of those extracts that stick to Bt toxins. And over the last decade, theyve found multiple proteins, some of which appear u...John D. Gearhart's response to President Bushs stem cell decision
...entual goal is to improve the human condition, but decades of work are ahead before we understand the processes that control them, their safety for therapeutic uses, and how to get the cells to become what we need clinically....The skin's acid coating: SFVAMC researchers explain its origin and how it maintains skin integrity
...erapies for skin problems such as psoriasis. For decades scientists have known that the outer layers of the skin are about as acidic as a bowl of crushed tomatoes. This acidity was believed to help ward off infections by preventing the growth of bacteria. But the source of all this acid and how it helped ...