Are Contaminants Silencing Our Genes?
Monday, August 3, 2009 - 12:56
in Biology & Nature
Each of us starts life with a particular set of genes, 20,000 to 25,000 of them. Now scientists are amassing a growing body of evidence that pollutants and chemicals might be altering those genes--not by mutating them, but by sending subtle signals that silence them or switch them on at the wrong times. [More]