Possible Fifth Force Would Make Direct Detection of Dark Matter Unlikely

(PhysOrg.com) -- No one knows exactly what a “fifth force” might be, but studies have shown that, if a long-range fifth force does exist, it could have surprising effects on the universe’s structure formation. A fifth force could reduce discrepancies between theory and observation in several areas of cosmology.

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<p><a href="http://www.physorg.com/news157292373.html">Possible Fifth Force Would Make Direct Detection of Dark Matter Unlikely</a></p> <p>(PhysOrg.com) -- No one knows exactly what a “fifth force” might be, but studies have shown that, if a long-range fifth force does exist, it could have surprising effects on the universe’s structure formation. A fifth force could reduce discrepancies between theory and observation in several areas of cosmology. </p>