This Test Guideline describes an assay that assesses early life-stage effects and potential adverse consequences of putative endocrine disrupting chemicals (e.g. oestrogens, androgens and steroidogenesis inhibitors) on fish sexual development. In the test, fish are exposed, from newly fertilized...

This Test Guideline is designed to assess the toxicity of substances to freshwater aquatic plants of the genus Lemna (duckweed). Exponentially growing plant cultures of the genus Lemna (Lemna gibba and Lemna minor usually) are allowed to grow as monocultures in, at least, five concentrations of...

This report provides an overview of ICT skills and employment across OECD economies and analyses some of the impacts on economic performance. It presents a new approach to capturing the diffusion of ICTs in the economy.

Human resources, training, qualifications and skills play an essential part in the development of regional economies. The notion of "learning" regions which has now become self-evident has yet to be translated into practice: but under which conditions and what are the priorities? This...