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Plastic that grows on trees
06-14-2007 · EurekAlert!Scientists took a giant step closer to the biorefinery this week, reporting in the June 15 issue of the journal Science that they have directly converted sugars ubiquitous in nature to an alternative source for those products that make oil so valuable, with very little of the residual impurities that have made the quest so daunting.
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- Experiment suggests limitations to carbon dioxide 'tree banking'
08-07-2007 · EurekAlert!
While 10 years of bathing North Carolina pine tree stands with extra carbon dioxide did allow the trees to grow more tissue, only those pines receiving the most water and nutrients were able to store significant amounts of carbon that could offset the effects of global warming, scientists told a national meeting of the Ecological Society of America.
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- Chickadee, nutchatch presence in conifers increases tree growth, says CU-Boulder study
08-01-2007 · EurekAlert!
Chickadees, nuthatches and warblers foraging their way through forests have been shown to spur the growth of pine trees in the West by as much as one-third, according to a new University of Colorado at Boulder study.
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- Cell growth technology promises more successful drug development
09-18-2007 · EurekAlert!
Scientists have developed unique technology to grow stem cells and other tissue in the laboratory in conditions similar to the way they grow in the human body. The technology, developed and patented by scientists at Durham University, UK, and its spin-out company ReInnervate Limited, is a plastic scaffold which allows cells to be grown in a more realistic three-dimensional form compared to the traditional flat surface of a Petri dish.
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- Tree rings show elevated tungsten coincides with Nevada leukemia cluster
04-30-2007 · EurekAlert!
Tungsten began increasing in trees in Fallon, Nev. several years before the town's rise in childhood leukemia cases, according to a research team led by Paul R. Sheppard of the University of Arizona's Laboratory of Tree-Ring Research. This is the first study that has examined changes in levels of heavy metals in Fallon over time.
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- Fuel from fiber -- Pretreatment can put corn stalks, trees in your car's tank
05-04-2007 · EurekAlert!
"Put a tree in your tank." Fuel companies aren't touting that slogan. At least not yet. But thanks to research done in part by Bruce Dale, Michigan State University professor of chemical engineering and materials science, making fuels from poplar trees and corn stalks is becoming more efficient and cost-effective.
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- The proof is in the tree bark
11-26-2007 · EurekAlert!
A study by Indiana University researchers found the chlorinated flame retardant Dechlorane Plus in the bark of trees across the northeastern US, with by far the highest concentrations measured near the Niagara Falls, N.Y., factory where this chemical is produced.
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- Climate change predicted to drive trees northward
12-03-2007 · EurekAlert!
A study based on an extensive data-gathering effort concludes that expected climate change this century could shift the ranges of 130 North American tree species northward by hundreds of kilometers and shrink the ranges by more than half.
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- Fatal attraction: Elephants and marula fruit
02-14-2007 · EurekAlert!
Being female can be a risky business, especially if you are a Marula tree in Africa receiving the attention of elephants. Research published in African Journal of Ecology shows that the female Marula suffers a higher risk than the male tree of being destroyed and perhaps killed by elephants. "There is a conflict of interest experienced by female trees when the disperser also has the potential to seriously damage or kill the tree."
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- Lessons from the orangutans: Upright walking may have begun in the trees
05-31-2007 · EurekAlert!
By observing wild orangutans, a research team has found that walking on two legs may have arisen in relatively ancient, tree-dwelling apes, rather than in more recent human ancestors that had already descended to the savannah, as current theory suggests. These findings appear in the June 1, 2007, issue of the journal Science, published by AAAS, the nonprofit science society.
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- Human ancestors learnt to walk upright in the trees, say experts
06-01-2007 · EurekAlert!
Scientists at the University of Liverpool have found that humans' ability to walk upright developed from ancestors foraging for food in forest tree tops and not from walking on all fours on open land.
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