Toerisme Nov 2018 Memo Afrikaans
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IGCSE Biology
This is an international edition of the widely used textbook GCSE Biology. It provides up-to-date and comprehensive coverage of the core and supplementary topics specified in the IGCSE Biology syllabus. In particular: there is additional information on topics such as B and T lymphocytes, infertility, performance-enhancing hormones, fluoridation of water supplies, impact of hunting and over fishing and global warming; an additional chapter on selective breeding and cloning; an additional chapter on conservation which covers extinction, conservation of species, conservation of genes, conservation of habitats, and conservation of resources; a revised chapter on ecosystems includes information on adaptations and factors which affect communities; a final chapter on observation and experiment looks at the type of questions that can be investigated scientifically and the nature of evidence; and past examination questions have been updated.
The Scientific Imagination in South Africa
Author: William Beinart
language: en
Publisher: Cambridge University Press
Release Date: 2021-05-20
South Africa provides a unique vantage point from which to examine the scientific imagination over the last three centuries, when its position on the African continent made it a staging post for Portuguese, Dutch, and British colonialism. In the eighteenth century, South African plants and animals caught the imagination of visiting Europeans. In the nineteenth century, science became central to imperial conquest, devastating wars, agricultural intensification and the exploitation of rich mineral resources. Scientific work both facilitated, and offered alternatives to, the imposition of segregation and apartheid in the twentieth century. William Beinart and Saul Dubow offer an innovative exploration of science and technology in this complex, divided society. Bridging a range of disciplines from astronomy to zoology, they demonstrate how scientific knowledge shaped South Africa's peculiar path to modernity. In so doing, they examine the work of remarkable individual scientists and institutions, as well as the contributions of leading politicians from Jan Smuts to Thabo Mbeki.