ScienceDaily: Top Science News |
- New models predict drastically greener Arctic in coming decades
- Light may recast copper as chemical industry 'holy grail'
- You are what you eat -- even the littlest bites: Dietary influences tied to changes in gene expression
- New test for skin sensitization without using animals
- Caffeine-'addicted' bacteria: Finding may lead to new decontamination methods, new medicines
- MRI shows brain abnormalities in migraine patients
| New models predict drastically greener Arctic in coming decades Posted: 31 Mar 2013 01:56 PM PDT New research predicts that rising temperatures will lead to a massive "greening," or increase in plant cover, in the Arctic. In a new paper, scientists reveal new models projecting that wooded areas in the Arctic could increase by as much as 50 percent over the next few decades. The researchers also show that this dramatic greening will accelerate climate warming at a rate greater than previously expected.  |
| Light may recast copper as chemical industry 'holy grail' Posted: 28 Mar 2013 11:23 AM PDT Wouldn't it be convenient if you could reverse the rusting of your car by shining a bright light on it? It turns out that this concept works for undoing oxidation on copper nanoparticles, and it could lead to an environmentally friendly production process for an important industrial chemical, engineers have discovered.  |
| Posted: 28 Mar 2013 09:51 AM PDT Sometimes you just can't resist a tiny piece of chocolate cake. Even the most health-conscious eaters find themselves indulging in junk foods from time to time. New research raises the striking possibility that even small amounts of these occasional indulgences may produce significant changes in gene expression that could negatively impact physiology and health.  |
| New test for skin sensitization without using animals Posted: 27 Mar 2013 10:37 AM PDT In an advance in efforts to reduce the use of animals in testing new cosmetic and other product ingredients for skin allergies, scientists are describing a new, highly accurate non-animal test for these skin-sensitizers.  |
| Caffeine-'addicted' bacteria: Finding may lead to new decontamination methods, new medicines Posted: 27 Mar 2013 10:35 AM PDT Some people may joke about living on caffeine, but scientists now have genetically engineered E. coli bacteria to do that -- literally. Their report describes bacteria being "addicted" to caffeine in a way that promises practical uses ranging from decontamination of wastewater to bioproduction of medications for asthma.  |
| MRI shows brain abnormalities in migraine patients Posted: 26 Mar 2013 07:15 AM PDT A new study suggests that migraines are related to brain abnormalities present at birth and others that develop over time.  |
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