A data sample corresponding to an integrated luminosity of 232pb^-1 was
collected in 1997 and 1998 by the L3 experiment at LEP in e+e- collisions at
centre-of-mass energies between 181.7GeV and 188.7GeV. Pair production of
fermions and bosons is studied and compared with the Standard Model
expectations. Events with a single detected photon or W boson are also
considered. The measurement of several Standard Model cross sections is
discussed. The presence and the magnitude of triple couplings of charged and
neutral electroweak gauge bosons is investigated. These processes are used to
probe New Physics beyond the Standard Model, including the existence of extra
spatial dimensions.Comment: 17 Pages, 11 Figures, to appear in the proceedings of the XIV
International Workshop on Quantum Field Theories and High Energy Physics,
QFTHEP99, Moscow, Russia, 27 May - 2 June, 199
