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Published online 19 April 2005 | Nature | doi:10.1038/news050418-5

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Early Universe was a liquid

Quark-gluon blob surprises particle physicists.

The Universe consisted of a perfect liquid in its first moments, according to results from an atom-smashing experiment.

Scientists at the Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory on Long Island, New York, have spent five years searching for the quark-gluon plasma that is thought to have filled our Universe in the first microseconds of its existence.

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