Much of the material composing the cosmos is dark matter, a strange substance we can't see or touch. So how do we know it's there? Actually, we don't, but scientists largely agree that it must be, inferring its presence from gravitational effects observed in space. An EU-funded project is analysing cosmic rays in a bid to find further clues.from EUROPA - Syndicated Research News Feed http://ift.tt/2hKhkJK
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