I will present new star formation histories of most Local Group
dwarfs, derived from the resolved stellar populations observed with
HST. The data have an unprecedented quality and time resolution and
show a great variety of star formation histories - some continuous,
some bursty, some truncated. I will describe the latest models of star
formation in small dark matter halos, which address the "missing
satellites problem" and help explain the detailed star formation
histories of dwarf galaxies.
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