Significant boosts in the microbial production of clean, green and renewable biodiesel fuel has been achieved with the development of a new technique in synthetic biology by researchers with the U.S. Department of Energy (DOE)'s Joint BioEnergy Institute (JBEI). This new technique – dubbed adynamic sensor-regulator system (DSRS) – can detect metabolic changes in microbes during the production of fatty acid-based fuels or chemicals and control the expression of genes affecting that production.
Tech
CHICAGO -- Sixth-graders taking part in a 10-week program that included interactive lessons to get heart smart coupled with healthier food and beverage options in the cafeteria and vending machines had marked reductions across all cardiovascular risk factors, according to research presented today at the American College of Cardiology's 61st Annual Scientific Session. The Scientific Session, the premier cardiovascular medical meeting, brings cardiovascular professionals together to further advances in the field.
Medicare/Medicaid rule increases costs without improving patient outcomes for defibrillator implants
CHICAGO -- The cost to place an implantable cardioverter-defibrillator (ICD) increased by $844 per case after a new requirement from the Centers for Medicare and Medicaid Services (CMS) went into effect in February 2010, according to research presented today at the American College of Cardiology's 61st Annual Scientific Session. The Scientific Session, the premier cardiovascular medical meeting, brings cardiovascular professionals together to further advances in the field.
Do you really want to avoid cavities in your teeth? Try massaging them with a high-fluoride toothpaste after lunch. "Rubbing toothpaste onto your teeth increases the fluoride protection by 400%," says Anna Nordström, dentist, PhD and researcher at the Sahlgrenska Academy at the University of Gothenburg, Sweden.
Eight years ago a new brand of toothpaste was launched in Sweden with more than three times as much fluoride as standard toothpaste. Available without prescription, it is aimed primarily at those with high caries risk.
First scientific evaluation
RIVERSIDE, Calif. (www.ucr.edu) — A University of California, Riverside professor and several other researchers have developed a model that uses data from Twitter to help predict the traded volume and value of a stock the following day.
NEW DELHI, 26 March 2012 – Brazil, Russia, India, China and South Africa are injecting new resources, momentum and innovation into efforts to improve health in the world's poorest countries, according to a report released on the eve of the 2012 BRICS Summit. Coming as many traditional donors reduce or slow their spending, the report explores the expanding influence of the BRICS on global health and development.
SAN DIEGO, March 25, 2012 — A preservative in toothpastes, hand soaps, underarm deodorants and other everyday products is getting a second life, helping crime scene investigators preserve evidence of arson, scientists reported here today at the 243rd National Meeting & Exposition of the American Chemical Society (ACS).
SAN DIEGO, March 25, 2012 — The long-sought technology for enabling the fabled "hydrogen economy" — an era based on hydrogen fuel that replaces gasoline, diesel and other fossil fuels, easing concerns about foreign oil and air pollution — has been available for decades and could begin commercial production of hydrogen in this decade, a scientist reported here today.
SAN DIEGO, March 25, 2012 — Combining the secrets that enable water striders to walk on water and give wood its lightness and great strength has yielded an amazing new material so buoyant that, in everyday terms, a boat made from 1 pound of the substance could carry five kitchen refrigerators, about 1,000 pounds.
Pasadena, CA--Astronomers have begun to blast 3 million cubic feet of rock from a mountaintop in the Chilean Andes to make room for what will be the world's largest telescope when completed near the end of the decade. The telescope will be located at the Carnegie Institution's Las Campanas Observatory—one of the world's premier astronomical sites, known for its pristine conditions and clear, dark skies. Over the next few months, more than 70 controlled blasts will break up the rock while leaving a solid bedrock foundation for the telescope and its precision scientific instruments.
WASHINGTON—Most of us walk and carry items in our hands every day. These are seemingly simple activities that the majority of us don't question. But an international team of researchers, including Brian Richmond at the George Washington University, have discovered that human bipedalism, or walking upright, may have originated millions of years ago as an adaptation to carrying scarce, high-quality resources. This latest research was published in this month's "Current Biology."
Researchers at The University of Texas at Dallas and Virginia Tech have created an undersea vehicle inspired by the common jellyfish that runs on renewable energy and could be used in ocean rescue and surveillance missions.
In a study published this week in Smart Materials and Structures, scientists created a robotic jellyfish, dubbed Robojelly, that feeds off hydrogen and oxygen gases found in water.
LOS ALAMOS, New Mexico, March 22, 2012 -- Researchers at Los Alamos National Laboratory's biggest magnet facility today met the grand challenge of producing magnetic fields in excess of 100 tesla while conducting six different experiments. The hundred-tesla level is roughly equivalent to 2 million times Earth's magnetic field.
"This is our moon shot, we've worked toward this for a decade and a half," said Chuck Mielke, director of the Pulsed Field Facility at Los Alamos.
Identifying chemicals from a distance could take a step forward with the introduction of a two-laser system being developed at the Department of Energy's Oak Ridge National Laboratory.
In a paper published in the Journal of Physics D: Applied Physics, Ali Passian and colleagues present a technique that uses a quantum cascade laser to "pump," or strike, a target, and another laser to monitor the material's response as a result of temperature-induced changes. That information allows for the rapid identification of chemicals and biological agents.
A breakthrough for inexpensive electricity from solar cells, and a massive investment in wind power, will mean a need to store energy in an intelligent way. According to research at Linköping University, published in Science, batteries of biological waste products from pulp mills could provide the solution.