CERN

Anticipation is building in the run-up to presentations of the best-yet evidence for - or against - the existence of the Higgs boson.

The famed particle is a missing link in current theories of physics, used to explain how things gains their mass.

Rumours have been swirling about the findings for weeks, ahead of the announcement on Tuesday afternoon.

It is likely to yield only tantalising hints, as the teams do not have enough data to claim a formal discovery.

Welcome to the 11th Dimension - The Elegant Universe - PBS NOVA

Part 3 of "The Elegant Universe" with host Brian Greene shows how Edward Witten of Princeton's Institute for Advanced Study, aided by others, revolutionized string theory by successfully uniting the five different versions into a single theory that is cryptically named "M-theory," a development that requires a total of eleven dimensions.

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