Sonic hedgehog, a gene that plays a crucial rule in the positioning and growth of limbs, fingers and toes, has been confirmed in an unexpected place in the embryos of developing mice - the layer of cells that creates the skin. Named for a video game character, Sonic hedgehog describes both a gene and the protein it produces in the body. Its study is importan […]

California Insurance Commissioner Steve Poizner, who is seeking the Republican gubernatorial nomination, took liberal positions on abortion-rights issues when he unsuccessfully ran for state Assembly in 2004, the Los Angeles Times reports. Poizner's past statements supporting abortion-right issues contradict the conservative stance he has taken in his c […]