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Dark matter may be smoother than expected

Analysis of a giant new galaxy survey, made with ESO's VLT Survey Telescope in Chile, suggests that dark matter may be less dense and more smoothly distributed throughout space than previously thought. An international team ...

date22 hours ago in Astronomy
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Atlas of the RNA universe takes shape

As the floor plan of the living world, DNA guides the composition of animals ranging from unicellular organisms to humans. DNA not only helps shepherd every organism from birth through death, it also plays an essential role ...

date17 hours ago in Cell & Microbiology
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The case for co-decaying dark matter

(Phys.org)—There isn't as much dark matter around today as there used to be. According to one of the most popular models of dark matter, the universe contained much more dark matter early on when the temperature was hotter. ...

dateDec 05, 2016 in General Physics feature
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Colliding galaxy clusters

Galaxy clusters contain a few to thousands of galaxies and are the largest bound structures in the universe. Most galaxies are members of a cluster. Our Milky Way, for example, is a member of the "Local Group," a set of about ...

dateDec 05, 2016 in Astronomy
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NA64 hunts the mysterious dark photon

One of the biggest puzzles in physics is that eighty-five percent of the matter in our universe is "dark": it does not interact with the photons of the conventional electromagnetic force and is therefore invisible to our ...

dateNov 25, 2016 in General Physics
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