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Extraterrestrial platinum was 'stirred' into the Earth

... deep mantle". Report author CSIRO Minerals down Under Flagship researcher Dr Stephen Barnes said ... the deep source where the komatiite came from, down near the boundary between the Earth's core and ... cause plate tectonics, this material was stirred down into the interior of the Earth. We are seeing ...

The battle for CRTC2: How obesity increases the risk for diabetes

... to sense stress a red light goes on, which slows down the production of proteins," explains Montminy. ... that a cell in survival mode automatically shuts down glucose production, thus saving energy," says ... obesity? They found that the levels of ATF6a go down when ER stress is chronically activated, ...

New supplement may help slow sight loss in elderly

... develop an antioxidant supplement which may slow down sight loss in elderly people. The supplement ... carotenoids lutein and zeaxanthin could help slow down AMD. The supplement also contained vitamins ... preserved the macular pigments, slowing down the progression from early AMD to late AMD. In ...

Protein regulates movement of mitochondria in brain cells

... have to keep supplying nutrients and everything down these arms. The supply line is very long." ... mitochondria which the cell must also push down the axons and dendrites to provide these parts of ... Some are stationary while others are moving down the arms of the cell to assume their proper ...

Stanford scientists find heat-tolerant coral reefs that may resist climate change

... that corals may not be able to keep up. It comes down to a calculation of the rates of environmental ... The problem of coral bleaching comes down to a collapse of the algae at the cellular level, ... come into play when the symbiosis is breaking down under stress," Pringle said. "The longer-range ...

Plastic that grows on trees, part two

... from nature, the team still needed to break down cellulose into simple sugars -- Zhang and ... chromium chloride under 120 degrees Celsius broke down the cellulose without creating a lot of unwanted ... method compared to acid, a common way to break down cellulose. The metal chlorides-ionic liquid ...

Scientists work to plug microorganisms into the energy grid

... or microbial products that can help break it down into simple sugars. They are currently studying ... bioprocessing microbe: It can not only break down the cellulosic biomass to sugars but ferment it ... and money. "Right now it is expensive to break down cellulosic biomass. That is why we don't have a ...

Laughing hyenas, wailing levees, the sound of cheese and blaring bagpipes

... sunlight can reach -- from 400 meters all the way down to depths of 4,000 meters. Biologists are ... the method could be used to remotely track down problems in unpleasant areas like sewer lines. ... and dams using sound waves in a non-invasive way down to depths of several meters. (Paper 1pPA2) The ...

Orientation of antenna protein in photosynthetic bacteria described

... to lower and lower energy states and is guided down to the lowest energy state. That's the funneling ... the taco shell protein has a symmetry axis down the middle. The protein lays on the membrane ... down. "It turns out that the side that is down is the one that has the pigment with the lowest ...

Microbes in mud flats clean up oil spill chemicals

... role to play in cleaning up pollution by breaking down petrochemical residues. Research by Dr Efe Aganbi ... with oxygen only a few can be completely broken down in the absence of oxygen. However, in a ... spirillensus, a bacterium known to break down oil residues. These bacteria might be used as a ...

Stanford scientists find new solutions for the arsenic-poisoning crisis in Asia

... to the surface. "As the water starts to move down into the soil, it picks up arsenic. That was our ... the chemistry of the surface water as it moved down into the groundwater." Fendorf and his ... is similar," Fendorf added. "The transport down the big river system is very similar as well." ...

Flight of the bumble (and honey) bee

... State University studied pollinator movements down and across rows in watermelon [Citrullus lanatus ... directional in both directions (east and west) down the row from the central block of donor plants, ... closest flower is in that direction instead of down the row. Most pollen is deposited on the nearest ...

Doubling a gene in corn results in giant biomass

... that the main function of Glossy15 is to slow down shoot maturation. Moose wondered what would ... its activity. So, it makes the plant slow down and gets much bigger at the end of the season." ... put too much of the Glossy 15 gene in, it slows down the growth too much and the frost kills the plant ...

Dancing 'adatoms' help chemists understand how water molecules split

... a compound sometimes found in sunscreen -- breaks down water. The chemical reactions between water and ... varied processes as hydrogen production, breaking down pollutants, and in solar energy. "Oxygen and ... Remarkably, the adatoms didn't just slide up and down the stripes. They also bounced out of them and ...

A sticky business -- how cancer cells become more 'gloopy' as they die

... cancer cell's further deterioration by slowing down vital communication and transport processes ... molecule's mission to kill the cell is slowed down too. Dr Kuimova explains: "It looks like ... new 'sticky' cell conditions can slow the drug down too, so it's not as straightforward a ...

Doubling a gene in corn results in giant biomass

... that the main function of Glossy15 is to slow down shoot maturation. Moose wondered what would ... its activity. So, it makes the plant slow down and gets much bigger at the end of the season." ... put too much of the Glossy 15 gene in, it slows down the growth too much and the frost kills the plant ...

Transportation fuels of the future: Nottingham leads the way

... hoping to develop yeast capable of breaking down plant cell walls. Scientists will then be able to break down the inedible and unusable parts of plants such as ... or simply go to waste. The challenge is to break down the toughest part of the plant, unlock the ...

Process can cut the cost of making cellulosic biofuels

... are used. Cellulose in plants must be broken down into fermentable sugars before they can be turned ... with acid is a common way to break the material down into fermentable sugars. But after acid ... and adds to the cost of the biofuel. Breaking down cellulose into fermentable sugars cost ...

Modified plants may yield more biofuel

... Plants, genetically modified to ease the breaking down of their woody material, could be the key to a ... digestive enzymes go into overdrive to break down the lignin, creating a lot of gas and digestion ... enzymes in their digestive process that break down amino acids and small proteins that can be ...

Snails and humans use same genes to tell right from left

... Berkeley -- Biologists have tracked down genes that control the handedness of snail ... finding, the researchers say, could help to track down the ultimate cause of symmetry-breaking in snails ... that maternal gene is, and you can't track it down using the standard approach of looking for ...

Quiet bison sire more calves than louder rivals

... Wyman said, is why lower-quality males don't turn down the volume of their bellows to emulate their more ... threats that ended with an animal backing down in the face of combat, as well as full-blown, ... narrowed some 2,000 readings taken from 67 bulls down to 408 readings from 44 bulls. Her analysis ...

Bonefish census reveals population holding steady

... Fla. -- If you're looking for bonefish from Miami down to the Marquesas Islands, you have about 321,000 to choose from, and that is down slightly from the average of previous ... square miles. "It's true the numbers are down slightly," said Dr. Jerry Ault, Rosenstiel School ...

Microarray analysis improves prenatal diagnosis

... array that can quickly detect disorders such as down syndrome or other diseases associated with ... rate of event could be as high as that seen in down Syndrome. In some of these cases where small ... with certain chromosomal abnormalities, such as down syndrome. Some had had abnormal ultrasounds and ...

Drug-embedded microparticles bolster heart function in animal studies

... slowly release anti-inflammatory drugs and break down into non-toxic components. When injected into ... engineering. The microparticles break down over a few weeks in the body, releasing the ... water. In addition, the microparticles are broken down by white blood cells called macrophages. ...

FSU researcher's discovery leads to $1.5 million grant, potential new treatment of liver fibrosis

... will one day lead physicians to be able to slow down the progress of the disease. "At least if we slow down the chronic process, instead of dying in five ... will allow us to block these key points and slow down the scarring. Cloning of this protein is a major ...

Circadian clock may be critical for remembering what you learn, Stanford researchers say

... with learning or memory deficits, such as down syndrome or Alzheimer's disease. The work is ... of learning retention. Research on people with down syndrome has shown that one reason they don't ... brain. Studies on mice that exhibit symptoms of down syndrome have demonstrated that when given PTZ, ...

New blood test for Down syndrome

... new prenatal blood test that accurately detected down syndrome and two other serious chromosomal ... either too many or too few chromosomes in cells. down syndrome, for example, is caused by a trisomy -- ... of a universal, noninvasive test for down and other aneuploidies," said Quake, senior ...

Insight into the evolution of parasitism

... a number of genes that are helpful in breaking down harmful substances and for survival in a strange ... of genes that could be helpful for breaking down harmful substances and survival in the complex ... cellulases - enzymes that are required to break down the cell wall of plants and microorganisms - have ...

'Buckyballs' have high potential to accumulate in living tissue

... tissue, but the molecules also appear to break down in sunlight, perhaps reducing their possible ... of buckyballs to bioaccumulate. They could break down in the environment or in an organism once taken ... do not yet know whether buckyballs will break down in the environment or will be metabolized by ...

70 years old and going strong with Down syndrome and no dementia

... Washington, DC (August 18, 2008) In the world of down syndrome, 'Mr. C' is a rarity. A real person ... the average life expectancy of a person with down syndrome, currently in the late fifties, but in ... which is almost a given for people with typical down syndrome over 65 yeas of age. 'Mr. C', while ...

Living sensor can warn of arsenic pollution

... cracks carrying the arsenic with it as it drips down the walls," said Thomas Osborne from University ... we discovered function at temperatures from 20oC down as low as 4oC," said Thomas Osborne. "These ... that can get their energy directly from breaking down chemical bonds. This enables them to survive in ...

Novel fungus helps beetles to digest hard wood

... potentially offer more efficient ways of breaking down plant biomass for generating biofuels. Microbes in the gut of insects are known to break down cellulose, but little is known about how, or ... that insects are unable to extensively break down lignin, and that they get around the problem ...

Acidification of the sea hampers reproduction of marine species

... that the pH of the sea's surface water has gone down by 0.1, or 25 percent, just since the beginning ... the sea urchin's ability to multiply goes down by 25 percent, as its sperm swim more slowly and ... shell is made out of limestone, which is broken down in more acidic environments. "Species with ...

CMV infections affect more than just patients with compromised immune systems, researchers find

... treat regular-immunity ICU patients can help cut down on reactivation of CMV, or whether it can cut down on the length of hospital stays for those ... clinical trial shows that treatment can cut down on CMV reactivation and reduce hospital stays for ...

Control switches found for immune cells that fight cancer, viral infection

... called cortactin in specialized cells that break down bones. They showed that cortactin's effects on ... fellow in Cooper's laboratory. "The cell sits down on the bone, seals tightly, and then starts secreting the acid and other compounds that break down the bone." NK cells have to form a similar ...

Failure to bridle inflammation spurs atherosclerosis

... of the pro-resolution signals would cool down the inflammation and give the "sores" a chance to ... to slow down. However, genetically clamping down on these signals would fan the fire of ... specific chemical mediators that naturally cool down the inflammatory process identified in this study ...

Caution on stem cell therapy

... is being thrown in there, and enzymes to break down that food. This is a way of maintaining the ... growing progressively fewer in number farther down the intestine, suggesting other kinds of adult ... Lgr5-marked cells dividing more rapidly farther down in the crypt, intermingled among "Paneth" cells, ...

'Barren' seafloor teeming with microbial life

... the bacteria evolved from ancestors that floated down from above or from some as yet unknown source ... in the watery depths. If we can really nail down whats going on, then there are significant ... turn their heads and notice that theres life down there. ...

Turning fungus into fuel

... important clues about how the organism breaks down plant fibers into simple sugars. The finding ... The organism uses enzymes it creates to break down human-indigestible fibers of plants into the ... account for the organisms efficiency at breaking down cellulose. On an industrial scale, T. reesei ...

Purdue researchers propose way to incorporate deforestation into climate change treaty

... common chore of mowing a lawn. "You could slow down the lawn mower, but it would still eventually cut down all of the grass," he said. "You have to continue to slow down at each turn until you hit the point where the ...
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