News tagged with positive selection
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Search results for positive selection
NASA completes Dream Chaser flight test milestone
(Phys.org) -- Sierra Nevada Corporation (SNC) Space Systems successfully completed a "captive carry test" of its full-scale Dream Chaser orbital crew vehicle Tuesday, marking a new milestone in the company's ...
Space & Earth / Space Exploration
Jun 01, 2012 |
5 / 5 (4) |
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Selective logging hardly damages tropical forests
Between 85 and 100 percent of biodiversity maintained. 'Don't dismiss it as lost acreage.'
Jun 01, 2012 |
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Sex: it's a good thing, evolutionarily speaking
(Phys.org) -- Sure, sex may be fun, but it’s a lot of work, and the payoff is by no means certain. Scientists have speculated for a long time on why all living things don’t simply make like amoebas ...
May 30, 2012 |
4 / 5 (4) |
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50-year cholera mystery solved: Answers may help clear the way for a new class of antibiotics
For 50 years scientists have been unsure how the bacteria that gives humans cholera manages to resist one of our basic innate immune responses. That mystery has now been solved, thanks to research from biologists at The University ...
May 29, 2012 |
5 / 5 (4) |
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Nanofluidics sorts DNA for cancer research
(Phys.org) -- Cornell nanotechnology researchers have devised a new tool to study epigenetic changes in DNA that can cause cancer and other diseases: a nanoscale fluidic device that sorts and collects DNA, ...
Nanotechnology / Bio & Medicine
May 24, 2012 |
5 / 5 (2) |
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Wearable electronics - the next fashion fad?
(Phys.org) -- When most of us think of electronics, we think of the sturdy stability of silicon and plastic. Flexibility is a trait that belongs to the organic world, where materials come in all shapes and ...
Technology / Hi Tech & Innovation
May 23, 2012 |
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Electron hopping in graphene oxide leads to highly sensitive sensing
(Phys.org) -- Graphene has many promising applications on its own, but pairing the two-dimensional material with the semiconductor titanium dioxide (TiO2) extends its capabilities even further. A team of ...
Nanotechnology / Nanomaterials
May 17, 2012 |
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'Copper pump's' potential benefit in cancer treatment
(Phys.org) -- A team of University of California, San Diego researchers has made new discoveries about a copper-transporting protein in the membranes of human cells that drug-discovery scientists can co-opt ...
May 17, 2012 |
4 / 5 (3) |
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Southern pine beetle impacts on forest ecosystems
Research by USDA Forest Service Southern Research Station (SRS) scientists shows that the impacts of recent outbreaks of southern pine beetle further degraded shortleaf pine-hardwood forest ecosystems in the southern Appalachian ...
May 17, 2012 |
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Maps of Miscanthus genome offer insight into grass evolution
Miscanthus grasses are used in gardens, burned for heat and energy, and converted into liquid fuels. They also belong to a prominent grass family that includes corn, sorghum and sugarcane. Two new, indepe ...
May 15, 2012 |
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List of search results for positive selection
