Guardian special marking 150 years since Darwin revealed his idea of natural selection
150 years ago, Charles Darwin unveiled his theory of natural selection. To mark this anniversary we bring you the definitive guide to the naturalist's great book, with extracts from key chapters and essays from leading scientists and thinkers.
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Hospital confirms first UK case of extreme drug-resistant tuberculosis (Guardian)
Doctors have diagnosed the first ever UK case of a virtually untreatable strain of tuberculosis, marking a further step in the disease's fightback against the antibiotics that once kept it in check.
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Life in time of cholera (Guardian)
US scientists have unravelled the genome of Vibrio cholerae. Tim Radford on one of humanity's cruellest enemies.
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Net giveaway halves Kenya's child deaths from malaria (Guardian)
A mass free distribution of mosquito nets in Kenya that has nearly halved child deaths from malaria in high-risk areas has led the World Health Organisation to recommend for the first time that nets should be given away, rather than sold, in the developin
in list: Malaria
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UN calls for male circumcision to fight Aids (Guardian)
The United Nations has urged all countries with devastating Aids epidemics to launch mass male circumcision programmes following evidence that the surgical procedure can protect against HIV infection.
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UN lowers estimate of worldwide HIV/Aids cases by 6m (Guardian)
The UN has revised downwards its global estimate of the numbers infected with HIV/Aids, as a result of better information and understanding of the disease.
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Lesson ideas for farming methods (Guardian)
Ideas and links - very useful
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How plastic blood could move from test tube to battlefield (Guardian)
Scientists are working to develop an artificial blood that could be used to save lives at disaster sites (an artificial haemoglobin)
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Guardian article on web 2.0 and e-learning
The explosion of new web services - such as 'blogs' and 'wikis' - has led many to believe that the internet is now entering a second phase. It's finally beginning to resemble a truly interactive learning tool, says Stephen O'Hear
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Internet plagiarism among sixth-formers is 'rife' (Guardian article)
More than half of teachers believe internet plagiarism is rife among sixth-formers, according to a study released by the Association of Teachers and Lecturers (ATL) today. Some 58.2% of the 278 teachers surveyed saw internet plagiarism as a problem. Of t
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