Complex sentence: By March 2013, the particle had been proven to behave, interact and decay in many of the ways predicted by the Standard Model, and was also tentatively confirmed to have even parity and zero spin, two fundamental attributes of a Higgs boson.
Split into simpler sentences: By March 2013, the particle had been proven to behave, interact, and decay in many of the ways predicted by the Standard Model. It was also tentatively confirmed to have even parity and zero spin, two fundamental attributes of a Higgs boson.