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Mar 12 | News
Conventional biological wisdom holds that living cells interact with their environment through an elaborate network of chemical signals, which is most therapies rely on drugs that block chemical signals. Scientists can now show, however, for the first time, that direct physical force can also change the way cellular proteins conduct chemical activity.
Mar 5 | News
Solar cells made from silicon are projected to be a prominent factor in future renewable green energy equations, but so far the promise has far exceeded the reality. While there are now silicon photovoltaics that can convert sunlight into electricity at impressive 20% efficiencies, the cost of this solar power is prohibitive for large-scale use. Researchers with the Lawrence Berkeley National Laboratory (Berkeley Lab), however, are developing a new approach that could substantially reduce these costs.
Feb 18 | News
Life’s smallest motor, a protein that shuttles cargo within cells and helps cells divide, does so by rocking up and down like a seesaw, according to research conducted by scientists at the U.S. Department of Energy’s Lawrence Berkeley National Laboratory and Brandeis Univ.
Feb 4 | News
The fact that glaciers in the Himalayan mountains are thinning is not disputed. However, few researchers have attempted to rigorously examine and quantify the causes. A scientist from Lawrence Berkeley National Laboratory set out to isolate the impacts of the most commonly blamed culprit—greenhouse gases, such as carbon dioxide—from other particles in the air that may be causing the melting.
Jan 28 | News
Employing some of the world’s most powerful supercomputers, scientists at Lawrence Berkeley National Laboratory have shown that mismatched alloys are a good match for the future development of high performance thermoelectric devices. Thermoelectrics hold enormous potential for green energy production because of their ability to convert heat into electricity.
Jan 28 | News
A collaboration led by researchers with the Joint BioEnergy Institute (JBEI) has developed a microbe that can produce an advanced biofuel directly from biomass. Deploying the tools of synthetic biology, the JBEI researchers engineered a strain of Escherichia coli (E. coli) bacteria to produce biodiesel fuel and other important chemicals derived from fatty acids.
Jan 27 | News
The INCITE program is designed to distribute valuable time on America’s most powerful computers to worthy projects. This week, Secretary Chu announced the 69 projects to be awarded 1.6 billion supercomputing processor hours. This research includes lithium air batteries, fusion energy, nuclear power, combustion, DNA sequencing and nanostructure superconductors.
Jan 19 | News
So-called click chemistry previously depended on the use of toxic metals. But a copper-free variant has finally been used to label glycans—a common sugar in animals—in mouse instestinges, heart, and liver. Click chemistry may be a crucial diagnostic tool because of its ability to affix molecular probes to cells.
Jan 11 | News
The stimulus package passed in 2009 by Congress may help shovel-ready community wind projects move ahead, according to a new report by Mark Bolinger, a scientist at Berkeley Lab. Bolinger analyzed the impact of two new incentives for wind power that were included in the Recovery Act.
Jan 6 | News
With the passage of a molecule through the labyrinth of a chemical system being so critical to catalysis and other important chemical processes, computer simulations are frequently used to model potential molecule/labyrinth interactions. In the past, such simulations have been expensive and time-consuming to carry out, but now researchers with the Lawrence Berkeley National Laboratory have developed a new algorithm that should make future simulations easier and faster to compute, and yield much more accurate results.