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Tag: "power" at biology news

Hot-spring bacteria flip a metabolic switch

...h cyanobacteria serving as the main photosynthetic power plants. Microbial mats in Yellowstone National Park's Octopus Spring contain Synechococcus that can grow in waters up to around 160°F, while other microbes in the hot spring can tolerate temperatures that exceed 175°F. But until now, it was unclear w...

Picking particles faster than one at a time

...ation," promises to greatly increase the speed and power of methods for determining biological structures a...e microscope's electron beam has to be kept at low power to prevent radiation damage, so the signal-to-noise ratio is low and the particles are barely percep...

Getting old? Slowing down? Blame inefficient mitochondria

Mitochondria are the cell's equivalent of power stations. A power station burns fuel to build up steam pressure and uses that pressure to drive a turbine linked to a ...

T-rays: New imaging technology spotlighted by American Chemical Society

...ced materials research has provided new and higher power sources, and interest in THz sensing and imaging has exploded as a result. Objects at room temperature emit thermal energy in the THz range that can be used to sense and image objects. A particular advantage of T-ray systems is that they can also gi...

Superconducting magnet attracts molecular research

...s actually energized with about the same amount of power consumed by a big stereo, Pochapsky explained. F... magnetic field. Once at field, the magnet uses no power at all, although the large liquid helium tank surrounding the coil needs to be refilled every six we...

'Computer-chemistry' yields new insight into a puzzle of cell division

...olph said. He credited the study's success to the power of interdisciplinary scientific collaborations, noting that he and Edelsbrunner initially met "by coincidence" in Duke's Levine Science Research Center building, where they both have separate labs in separate wings. ...

Asleep in the deep: Model helps assess ocean-injection strategy for combating greenhouse effect

...e culprit---carbon dioxide---as it is emitted from power plants, then liquefying the gas and injecting it into the ocean. But there are pitfalls in that plan. The carbon dioxide can rise toward the surface, turn into gas bubbles and vent to the atmosphere, defeating the purpose of the whole grand scheme....

Similar Stem Cells In Insect And Human Gut

... drives Vorticella would set records for speed and power in the nano world of cellular engines. It might also power future generations of nano devices and materials, according to biological engineer Danielle Cook Fra...

Are U.S. Flu Death Figures More PR Than Science?

... drives Vorticella would set records for speed and power in the nano world of cellular engines. It might also power future generations of nano devices and materials, according to biological engineer Danielle Cook Fra...

Nano springs eternal; Protozoan 'engine' posts nano records

... drives Vorticella would set records for speed and power in the nano world of cellular engines. It might also power future generations of nano devices and materials, according to biological engineer Danielle Cook Fra...

New methods offer insight into regulatory DNA

... DNA sequence called SNPs. "We were amazed at the power of this study to detect associations between SNP v...ical utility. The methods described here, with the power of the HapMap data and the cell cultures available, will speed that transformation. ...

Implantable pumps extend lives of patients too sick for transplant

...he body where the pump is connected to an external power source and computer. "We already had a lot of dat... "Like most new technologies, we're limited by our power supply," Rogers said, "We need to develop a battery that is not only small enough and powerful enoug...

New battery technology helps stimulate nerves

...rk continuously for years, the tiny batteries that power implantables are indispensable in everything from ...st, whose organosilicon batteries are projected to power the tiny implantable devices for more than 12 years. In addition to implantable devices for medicin...

Researchers show how air pollution can cause heart disease

...scular disease. The emissions arise primarily from power plants and vehicle exhaust. The US Environmental Protection Agency (EPA) has regulated PM2.5 since 1997, limiting each person's average exposure per year to no more than 15 micrograms per cubic meter. These tiny particles of dust, soot, and smoke lea...

Ancient trans-Atlantic swarm brought locusts to the New World

...nclear, since the insects don't have enough fat to power a trip lasting several days. "One unlikely hypothesis is that while the locusts were flying across, as their brethren died and landed in the ocean, they formed huge floating mats of dead locusts," says Lovejoy. "The other locusts would land on these ...

Tsunami + 1 year: Reviving exhausted fisheries should trump replacing boats, gear, experts say

...shers." WorldFish warns that: 1. The catching power of new boats and fishing gear is likely to be higher than those they replaced; 2. When other livelihood options are unavailable new entrants into the fishery can be expected. Entry of new participants may even be facilitated by the availability of n...

Science's Breakthrough of the Year: Watching evolution in action

...erate fusion-powered electricity by recreating the power of the sun on Earth. Science 's Breakdown of the Year -- U.S. Particle Physics: With the cancellation of two major experiments and talk of an early closing for one of the three existing particle colliders, U.S. particle physics is Science 's break...

NIAID researchers show how promising TB drug works

...rching for M. tb mutants that resisted the killing power of PA-824. The team confirmed previous research suggesting that resistance usually occurs when M. tb lacks components called FGD1 and F420, neither of which interacts directly with the drug. Next, the investigators screened for PA-824-resistant M. t...

Breath of the dragon: ERS-2 and Envisat reveal impact of economic growth on China's air quality

...ed NOX. This is released into the troposphere from power plants, heavy industry and road transport, along w...overlap with nitrogen dioxide plumes are linked to power plants. Further to the west there is also sulphur dioxide produced from smouldering underground coal...

Careless reporting on HIV 'could cost lives'

...nce involves, he explains, "giving up a bit of the power to decide when a trial proceeds and when it does not." In agreement with Mills and colleagues, he says "this means there is a much greater responsibility on the scientists to engage with the community in advance". In Cameroon, the allegations of br...

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