Outline o Basics of dilute trapped Bose and Fermi gases Search for superfluidity in Fermi gas o Study of Li Feshbach resonance Measurement of the interaction energy near a feshbach resonance Fermions in the strongly interacting regime O Formation of ultra-cold long-lived molecules near Feshbach resonance Reversible process between Fermi and Bose gases 2, Li2 dimer molecules o Bose-Einstein condensation of molecules ○ PerspectivesOutline Outline Basics of dilute trapped Bose and Fermi gases Study of 6Li Feshbach resonance - Measurement of the interaction energy near a Feshbach resonance - Fermions in the strongly interacting regime Search for superfluidity in Fermi gas Formation of ultra-cold long-lived molecules near Feshbach resonance Reversible process between Fermi and Bose gases 40K2 , 6Li2 dimer molecules Bose-Einstein condensation of molecules Perspectives