Comments on "Giant Dielectric Response in the One-Dimensional   Charge-Ordered Semiconductor (NbSe_{4})_{3}I" and "Colossal   Magnetocapacitance and Colossal Magnetoresistance in HgCr_{2}S_{4}"
  Comments on "Giant Dielectric Response in the One-Dimensional Charge-Ordered Semiconductor (NbSe_{4})_{3}I" (D. Staresinic et al., Phys. Rev. Lett. 96, 046402 (2006)) and "Colossal Magnetocapacitance and Colossal Magnetoresistance in HgCr_{2}S_{4}" (S. Weber et al., Phys. Rev. Lett. 96, 157202 (2006)) 
Gustau Catalan, James F. Scott