New technique shows scalability of DNA computing
...maller features packed onto the silicon chips that power it, is approaching the limits of miniaturization. DNA computing, says Smith, is one potential way around that barrier. But current DNA computing technology, Smith emphasized, is still far from overtaking the silicon chip. The new method reported by ...'Roadmap' to guide U.S. photovoltaics industry in 21st century
...g at least 15 percent of the additional electrical power the United States will need in 2020. But how wi...oward a common destination: clean, renewable solar power taking its proper and requisite place in America's energy picture," he said. The PV industry's ma......be producing an unlimited supply of electricity to power equipment such as sensors and sonar beacons. It co..., they generate 003 watts per square metre, enough power to run a small light emitting diode. And the tireless work of microbes means that the power supply s......f computer science and biotechnology, bringing the power of advanced computational techniques to bear on complex problems in molecular biology. Called bioinformatics or computational biology, this new field is providing essential tools for scientists on the leading edge of research in genetics and other fu...Common algae can be valuable source of hydrogen fuel
...rogram, are beginning to make the fuel feasible to power automobiles and buses and to generate electricity in this country, Seibert said. "What has been lacking is a renewable source of hydrogen," he said. For nearly 60 years, scientists have known that certain types of algae can produce the gas in thi...Study: Methane cleans nitric oxide from power plant emissions
... emissions from the stack gases of coal-burning power plants. This new method of ca...d cars and fossil-fuel burning power plants are two chief sources of the molecule. Once released, nitric oxide reacts...Brain cell 'chorus' appears as attention increases
... at Caltech, combined currently available computer power with a cutting-edge statistical technique to determine if nerve cells were firing synchronously and if the strength of that synchrony changed when the monkeys needed to pay attention. "Detecting synchronous firing reliably has been difficult in the ...Aerosol pollutants in atmosphere likely masking global warming
... track originating in the vicinity of a brown coal power plant, the world's largest smelter and refinery, a huge cement plant and a major oil refinery near Adelaide, South Australia. Other areas of the world are at least as tainted with aerosols. But pollution tracks from huge, nearly adjacent cities su...New link uncovered in nerve cell mechanism thought to power learning and memory
...ion (LTP ), the synaptic strengthening believed to power learning and memory consolidation. In one of two studies they published in Science last year, Malinow and his colleagues reported how the distribution of AMPA receptors within dendrites changes upon induction of LTP (dendrites are the branch-like a...Drosophila genome sequence completed
...s, each costing $300,000and then massive computing power is put to work to assemble the complete genome sequence in a process similar to reconstructing a jigsaw puzzle. Venter formed Celera with backing from PE Corporation (formerly known as Perkin Elmer Corporation), which makes the DNA sequencing ma...Understanding how the first cells emerged
...ins can spontaneously form the ion pumps that help power cells. Protein pumps are crucial in modern cells. They use the energy from light or food to move ions across a membrane, creating an electrical gradient. These gradients act as a kind of battery, driving cellular processes. Unlike the sophisticated...Sports massage of little physical benefit
...f SportsMedicine. The effects of massage on muscle power were assessed in eight amateur boxers intheir mid-...agewas also unable to prevent a reduction in punch power during the secondperformance. The authors suggest that either blood flow was not affected bymassage,...The genetics of aging: New study says cell division errors may be the common link
...science is going the way of complexity. To use the power of the genome, we are entering the era of big science; without the extraordinary gift from the Skaggs family, this work could not have been done." The study was funded by The Skaggs Institute for Research, an initiative made possible by a gift of $10......owered by blood sugar, the batteries could one day power pacemakers, insulin pumps and prostheses....Genome annotation experts take standardized test
...ia, Berkeley, 12 international groups compared the power of their computer programs to predict gene elements within a 3 million base pair stretch of Drosophila DNA. The groups compared the results of their programs against each other and against the results of an exhaustive experimental and computational e...The power of the mother-child bond
...Indeed, Mennella believes this study speaks to the power of odor associations. "Odors are often thought to provide us with the best memory cues," she said. "Some of our oldest and most emotionally laden memories are associated with odors. Odors take us to our past." Mennella described a study conducte...... the study. The TMI incident occurred at a nuclear power plant near Harrisburg, Pa., on March 29, 1979, when a reactor leaked small amounts of radioactive gases. It is often referred to as the worst nuclear accident in American history. Scientists have calculated that the average person present in the are......omechanics, Full added, is "that it's not how much power animals can produce, but how they stabilize and co... even a transmission." Farley has shown, too, that power output from muscles is not necessarily the main factor determining the top speed at which an animal ......ecule in telomerase might have deferred functional power to the protein component. The discovery that the seemingly archaic RNA retains a key mechanistic role in telomerase function builds support for the theory that telomerase -- and reverse transcriptases such as HIV -- represent an intermediate step i...Carbon diem: Grants awarded to research that seizes excess carbon dioxide
...the ability of algae to remove carbon dioxide from power plant exhausts. Tornado in a Tube In order to capture carbon dioxide from a power plant's smokestack, the greenhouse gas needs to be separated from the other flue gases. Typically, c...