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Turbulence is everywhere -- it rattles our airplanes and makes tiny whirlpools in our bathtubs -- but it's one of the least understood phenomena in physics.Turbulence occurs when an ordered fluid flow...
Comparative analyses by scientists at the Swiss Institute of Bioinformatics and other institutions of 76 arthropod species spanning 500 million years of evolution reveal genomic changes that point to ...
This study examines the complexity of various processes influencing summertime ozone levels in the southern Great Lakes region of North America. Results from the Border Air Quality and Meteorology (BA...
We study how information perturbations can destabilize two-sided matching mar-kets. In our model, agents arrive on the market over two periods, while agents in the first period do not know the types o...
Surface water samples were collected from 43 streams distributed throughout watersheds of mixed land use in southern Ontario, Canada. Absorbance and fluorescence spectroscopy with parallel factor anal...
Unraveling black hole spin(图)     black hole  galaxy  X-rays       2010/2/24
Scattered throughout every galaxy are black holes, regions that gobble up matter and energy. Although we can’t see black holes, scientists can infer their size, location and other properties by using ...
The next generation of ground-based gravitational-wave detectors are likely to observe gravitational waves from the coalescences of compact-objects binaries. We describe the state of the art for predi...

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