Intermediate Word:  Corgi (a) Aegean island  (b) sheep  (c) Finnish folk hero  (d) dog
Difficult Word: - trommel - (a)
type of trampoline  (b) lower peritoneal membrane  (c) revolving cylindrical ore screen  (d) earthen dam

A Strange New Fluid Like State Of Matter - SpaceDaily  Left:  A-C show images from a high-speed video of a granular jet produced by the impact of a heavy sphere at atmospheric pressure. D-F show images form a high-speed video of the jet at reduced pressure. Air compressed between the sand grains provides most of the energy that drives the jet, according to scientists at the University of Chicago. See larger image. University of Chicago physicists have created a novel state of matter using nothing more than a container of loosely packed sand and a falling marble. They have found that the impacting marble produces a jet of sand grains that briefly behaves like a special type of dense fluid  "We're discovering a new type of fluid state that seems to exist in this combination of gas--air in this case--and a dense arrangement of particles," said Heinrich Jaeger, Professor in Physics and Director of the Materials Research Science and Engineering Center at the University of Chicago. "It's just a most amazing phenomenon."   
Warming Could Free More Carbon From Arctic Soil - SpaceDaily   Scientists studying the effects of carbon on climate warming are very likely underestimating, by a vast amount, how much soil carbon is available in the high Arctic to be released into the atmosphere, new University of Washington research shows. A three-year study of soils in northwest Greenland found that a key previous study greatly underestimated the organic carbon stored in the soil. That's because the earlier work generally looked only at the top 10 inches of soil, said Jennifer Horwath, a UW doctoral student in Earth and space sciences. "In the polar semidesert, I found nearly nine times more carbon than was previously reported," she said. "In the polar desert, I'm finding 125 times more carbon."   

New Animation: Hubble Spots Cosmic Traffic Jam - Space.com   A new animation of a high-speed cosmic pileup has been created using images from the Hubble Space Telescope. Superheated gas called plasma, spewing from a newborn star, travels in clumps that move at different speeds. Fast-moving, recently ejected clumps sometimes catch up with slower batches that had been sent out previously, causing massive shock waves.    

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