Our world has led a long, sometimes tumultuous and always complicated life. Telling that story is no small feat, but Earth, a five-part BBC documentary narrated by naturalist Chris Packham, sets out ...

CATIONIC detergents, the bactericidal property of which was discovered by Domagk (1938), have a precipitating effect on certain proteins (Kuhn–Bielig, 1940). Since this precipitation occurs at high pH ...

PRECIPITATING antibody has been demonstrated in, sera from animals which have been infected with trypanosomes, or given a course of injections of material of trypanosome origin, by means of a modified ...