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Explore the most exciting new ideas and emerging concepts in science, health, technology and the environment with Â鶹´«Ã½â€™s exclusive in-depth articles, interviews and long reads.

Health

The strains of the HIV war

Another salvo has been fired in the battle over the origin of the first known HIV strain. Six years after the row began, are scientists defending their integrity or indulging in farce?

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The World of Liquid Crystals

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Quiet sufferers of the silent spring: What are organophosphate pesticides?

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Europe’s answer to oil spills: Two years after the Exxon Valdez disaster, Alaskans are belatedly learning from the experience of spill prevention teams in Scotland and Norway

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Slicing through a continent: For the first time geophysicists have modelled a cross section through Europe’s continental plate. Already, their results are surprising, but the real work has only just begun

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Quiet sufferers of the silent spring: Every year people in Britain are made ill by exposure to organophosphate pesticides. Why do they find it so difficult to get anyone to take them seriously?

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Acts of God, acts of man?: Poor people seem to bear the brunt of disasters, as in the Bangladesh catastrophe. If this is always true, should we be looking for technical or political solutions?

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The oldest DNA in the world: The discovery of geneticmaterial that may be 16 million years old has left molecularpalaeontologists with more questions than answers

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Plastics of a new order

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Jubilee for the jet engine: Fifty years ago next week, FrankWhittle demonstrated jet flight in Britain for the first time. Despite manysetbacks, the industry he created still survives

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Britain’s deadly diet: Why do we eat such an unhealthy diet?Campaigners face a difficult battle against the food industry’s compellingadvertisements. A tough new government report should provide them withammunition

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The West pays up for Third World seeds: Developed countries have for centuries plundered the Third World for seeds to improve their crop yields. But crisis is looming because seed varieties are disappearing fast

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Confusion in the joints: If the immune system becomes confused, it can turn against the body’s own tissues, causing destructive diseases such as rheumatoid arthritis. Are bacteria to blame?

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Earth

Where eastern eagles dare

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