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Special feature: The bird flu threat
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Issue 2533
Sunshine on skin allows the body to produce vitamin D, which is thought to prevent colorectal cancer – a much bigger killer than skin cancer in the US
Billed in 1956 as "the first and only magazine to make plain the most vital force in your life today – SCIENCE" – see how far we, and the world, have come
What makes flu go pandemic? Should we be worried? How can we protect ourselves? New Scientist tackles the crucial questions
Very deep, beautiful lakes upon ice sheets can be the product of something very ugly, though the link has only been made in recent years