  Following the discovery of superconductivity in epsilon-iron, subsequent
experiments hinted at non-Fermi liquid behaviour of the normal phase and
sensitive dependence of the superconducting state on disorder, both signatures
of unconventional pairing. We report further resistive measurements under
pressure of samples of iron from multiple sources. The normal state resistivity
of epsilon-iron varied as rho_0+AT^{5/3} at low temperature over the entire
superconducting pressure domain. The superconductivity could be destroyed by
mechanical work, and was restored by annealing, demonstrating sensitivity to
the residual resistivity rho_0. There is a strong correlation between the rho_0
and A coefficients and the superconducting critical temperature T_c. Within the
partial resistive transition there was a significant current dependence, with
V(I)=a(I-I_0)+bI^2, with a >> b, possibly indicating flux-flow resistivity,
even in the absence of an externally applied magnetic field.
