Dominant lethal (DL) effects cause embryonic or foetal death. Induction of a dominant lethal event after exposure to a test substance (liquid, solid, vapour or gas, …) indicates that the substance has affected germinal tissue of the test species. Dominant lethals are generally accepted to be...

Are breast cancer survival rates higher in the United States than in the United Kingdom and France? Are a patient's chances of dying within 30 days after admission to a hospital with a heart attack lower in Canada than in Korea? Are surgeons in some countries more likely to leave “foreign...

On the surface there is agreement, sustainable development refers to a broad set of issues, going beyond the relationship between the economy and the environment to encompass human and social concerns. Scratch the surface and you open a Pandora's box of differing notions of sustainability and...