Flavor-changing neutral currents with beauty and charm

I will discuss contemporary issues in searches for New Physics with flavor-changing neutral current transitions in beauty and charm systems. I will also discuss a novel method to study flavor-changing neutral currents in the e+ e− → D∗0 and e+ e− → B∗s transitions, tuning the energy of e+ e−- collisions to the mass of the narrow vector resonance D∗0 or B∗s . I will present a thorough study of both short-distance and long-distance contributions to those processes in the Standard Model and investigate possible contributions of New Physics.