Countries vary in the way they use marks, but they all tend to reward the mastery of skills and attitudes that promote learning. Teachers tend to give girls and socio-economically advantaged students better school marks, even if they don’t have better performance and attitudes than boys and...

This Test Guideline describes a procedure for characterising the bioconcentration potential of substances in fish, under flow-through conditions (but semi-static regimes are permissible). The test consists of two phases: the exposure (uptake) and post-exposure (depuration) phases. During the...