Charmless hadronic penguin B decays with BaBar: B0$B^0(\overline{B}^0)\rigtarrow \overline{K}^0}K^0$K0 or <FONT FACE=Symbol>h¢ h¢</FONT>

Recent results from the BaBar experiment on searches for New Physics using the charmless channels B0 -> $\overline{K}^0}K^0$K0 and B0 ® <FONT FACE=Symbol>h¢ h¢</FONT> are discussed.

B mesons; Rare charmless decays