  The equation of state of pure QCD, obtained from lattice QCD, is discussed
for temperatures ranging from $0.9\tc$ to $4\tc$, as well as results on
screening masses, the chiral condensate, and the pion decay constant close to
the deconfinement phase transition in the confined phase of QCD. The equation
of state differs significantly from that of a free gas. There is little
evidence of a temperature dependence in the chiral condensate or the meson
properties, but perhaps some for the nucleon screening mass. Above the phase
transition one sees non-perturbative effects, even though hadron correlators
show the existence of deconfined quarks.
