This week's magazine

Letters: Excellence for all

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Letters: One in the teeth

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Letters: Too many sheep

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Letters: Maxwell meet

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Letters: Right is wrong

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Letters: Jet circles

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Letters: Nice spiders

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Letters: Nice spiders

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Letters: Whale milk again

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Letters: Blue flash

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Forum: Curse of the drinking classes - Adrian Furnham finds the work ethic is alive and well

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Thistle Diary: Winning ways to make the grade - Comment from Westminster by Tam Dalyell

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Forum: At sixes and sevens with the ultimate question - Murray Batchelor and Bruce Henry attempt to raise the curtain on the great mystery

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Review: Edinburgh celebrates science

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Review: Inquire within on everything energetic

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Review: Sixty million years of horses

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Review: Voyage around the green and pleasant planet

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Review: A tactile approach

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Review: Genesis of the Jumbo

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God and the Arctic survivors

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Gulliver among the atoms: Have you ever thought what it would be like to hitch a ride on an electron? Computers are revealing how atoms behave in solids and helping researchers to design better materials

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How to foil an assassin: Top politicians who use too many bodyguards may increase the risk of being assassinated, mathematics shows. This is a powerful lesson for sites where safety is critical

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Breaking up is hard to understand

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Rendezvous with the red planet: Are there unknown minerals on Mars? How do its weather systems work? Answers from the Mars Observer satellite will pave the way for human exploration

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Technology: Here is the (virtual) nine o'clock news . . .

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Technology: BBC radio beams down for a bigger slice of Europe

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Technology: Silicon giant raises stakes in the chips war

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Technology: Space scouts on the lookout for cosmic ripples

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Technology: CD presses pump up memory power

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Technology: Will the electronic notepad write its way to the top?

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Science: Cyanide detector mimics death by poisoning

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Science: Are birds with long tails sexier?

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Science: Tin makes its interstellar debut

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Science: The mathematics of synchronised mountaineering

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Science: Synchronised exloration

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Science: Modified clover could create super sheep

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Science: Why breast is best for the liver

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Smart chocolate to feed the mind

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Optical fibre

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Star burst

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Pest wars

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Euro-software

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The hour of the activist: AIDS campaigners in the US are changing the way the nation's research into HIV is organised. Will other diseases get the same treatment?

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Science: A giant step for artificial enzymes

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Clinton may slash Star Wars

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Satellite uncovers ancient Arabian river

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Fur flies over cracked lids

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Costly mistakes in Antarctica

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Pollution 'partly to blame' for seal deaths

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Tropical countries veto rainforest protection scheme

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Massive cash injection needed to halt killer diseases

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Is this teleportation as we know it?

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Astronomical clues crack Mayan calendar's code

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Whales saved

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Wrong altitude

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Alaskan camp may rewrite hisory

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Raw deal for Japan's problem children

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Icy asteroids could power reactors in space

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Uncertain future for clean coal technology

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Monk seal find haven on disputed African coast

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Return of the gymslip mum

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Comment: African AIDS is no myth

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Comment: Death by asteroid

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West fiddles while population soars

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