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GREEN BUSINESS HEADLINES
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› Squishing blood stem cells could facilitate harvest for transplants
How deformable cells are, and thus how stiff or squishy they are, plays an important role in retaining blood-forming stem cells in their marrow niches and thus preserving their long-term repopulation capabilities. |
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› Tall ice-cliffs may trigger big calving events -- and fast sea-level rise
Glaciers that drain ice sheets such as Antarctica or Greenland often flow into the ocean, ending in near-vertical cliffs. As the glacier flows into the sea, chunks of the ice break off in calving events. Although much calving occurs when the ocean melts the front of the ice, and ice cliff above falls down, a new study presents another method of calving: slumping. And this process could break off much larger chunks of ice at a quicker rate. |
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› Teens who seek solitude may know what's best for them
Teens who choose to spend time alone may know what's best for them, according to new research that suggests solitude isn't a red flag for isolation or depression. |
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› Energy monitor can find electrical failures before they happen
A new system can monitor the behavior of all electric devices within a building, ship, or factory, determining which ones are in use at any given time and whether any are showing signs of an imminent failure. When tested on a Coast Guard cutter, the system pinpointed a motor with burnt-out wiring that could have led to a serious onboard fire. |
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› Anti-TB drugs can increase risk of TB re-infection
Current treatments for tuberculosis (TB) are very effective in controlling TB infection caused by Mycobacterium tuberculosis (Mtb). They don't, however, always prevent reinfection. Why this happens is one of the long-standing questions in TB research. A team of scientists may have found the answer... in the gut. |
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› Paleontologists report world's biggest Tyrannosaurus rex
Paleontologists have just reported the world's biggest Tyrannosaurus rex and the largest dinosaur skeleton ever found in Canada. The 13-metre-long T. rex, nicknamed 'Scotty,' lived in prehistoric Saskatchewan 66 million years ago. |
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› Like mountaineers, nerves need expert guidance to find their way
Similar to the dozens of Sherpas that guide hikers up treacherous Himalayan mountains to reach a summit, the nervous system relies on elaborate timing and location of guidance cues for neuronal axons -- threadlike projections -- to successfully reach their destinations in the body. Now, researchers discover how neurons navigate a tricky cellular environment by listening for directions, while simultaneously filtering out inappropriate instructions to avoid getting lost. |
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› Ankle exoskeleton fits under clothes for potential broad adoption
The device does not require additional components such as batteries or actuators carried on the back or waist. |
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› How the 'good feeling' can influence the purchase of sustainable chocolate
More and more products carry ethical labels such as fair-trade or organic, which consumers view positively. Nevertheless, the sales figures of these products often remain low, even though they offer advantages for the environment or for society. A team of scientists have investigated what factors influence consumers' purchasing intentions. |
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› Developing new organic materials for electronics
A scientist has new ways of accelerating the development of new organic materials for electronics. The new approaches could have applications in other types of materials science research. |
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› Chemicals induce dipoles to damp plasmons
A new study discovers a mechanism by which molecules affect the plasmonic response of gold nanorods. The mechanism could be used to enhance applications like catalysis that involve plasmon-driven chemistry. |
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› Citizen science programs provide valuable data on intermittent rivers in southwestern US
An OU-led project is showing how citizen science programs provide valuable data on rivers in southwestern United States. The ecological and hydrological data obtained from intermittent rivers (rivers that dry at some point in space or time) in Arizona are input into a nationwide network. Trained citizen scientists are mapping three rivers in Arizona: the San Pedro River, Cienega Creek and Agua Fria River. |
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