Dan A. Davidison explains the basis behind Grebennikov's findings and how certain insects really fly (levitate) linking how a spinning vortex creates a magnetic field counteracting gravity. It's possible that an electrostatic effect is occurring too at the nano level.
Dan A. Davidson's full lecture:
http://www.youtube.com/watch?v=Kk-51e3l41I
Video made by: http://www.youtube.com/user/haeresy"
