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Recently Belle observed two charged bottomonium-like states, Zb(10610) andZb(10650), that are produced in the Upsilon(5S) -> Zb pi transitions and thatdecay to Upsilon(nS) pi (n=1,2,3) and h_b(mP) pi (m=1,2) channels. The massesof these states are close to the $B\bar{B}^*$ and $B^*\bar{B}^*$ thresholds,and their favored spin-parities are $J^P=1^+$. We review status and new resultson the Zb states, that include the observation of the $Z_b\to B^{(*)}\bar{B}^*$decays and an evidence for the neutral member of the Zb isotriplet. Allproperties of the Zb states are consistent with their molecular interpretation.

Status and new results on the Zb resonances