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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.

Famines before the floods?: Confidence in new technology has overshadowed evidence that the world may soon face a growing food shortage, warns agronomist Lester Brown of the Worldwatch Institute in Washington DC

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No quick fix for raising crop yields

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Beastly images of childhood: Biology teachers are supposed to promote a respect for all forms of life. But to be effective they need to know what their charges think of animals in the first place

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The death throes of a red giant: Astronomers have known for years that old stars swell up to become red giants. Now they are beginning to understand how these stars cook up many important elements, such as carbon

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A random walk in arithmetic: God not only plays dice in physics but also in pure mathematics. Mathematical truth is sometimes nothing more than a perfect coin toss

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The guiding principles of nuclear war: If nuclear weapons exist only as a deterrent to threaten huge urban areas, then why have the armed forces spent so much time and money making their missiles deadly accurate?

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Health

Enzymes a la carte

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Earth

Alaska’s silent spring: One year after the Exxon Valdez

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Sir Joseph’s buried treasure

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Physics

The power of negative matter

Does matter with a negative mass exist somewhere in the cosmos? If it does, its bizarre properties would provide the perfect space-drive

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Homes fit for hens

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Life

The swords that had to die

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Storm warnings – can Britain meet the challenge?

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Physics

A long, long way to Waxahachie’s dream machine

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