Without a doubt,

the most exciting scientific observation of 2012

was the discovery of a new particle

at the CERN laboratory

that could be the Higgs boson,

a particle named after physicist Peter Higgs

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85% of the matter in our universe is a mystery.

We don't know what it's made of, which is why we call it dark matter.

But we know it's out there because we can observe its gravitational attraction

on

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