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Editor's picks

Out on a limb

Reasonable doubt

The big brother effect

Night of the mosquito hunters

Table of contents

News

Chemical warfare’s enduring threat

We are closer than ever to identifying the cause of Gulf war syndrome. But what does it mean for troops in Iraq?

Safe water remains a mirage

Did flammable airframe seal space shuttle’s fate?

Dispatches

Progress in hunt for virus

Soundbites

The crop trials are over, but the doubts continue

Earth

How safe is nanotech?

Some of us are born to binge

Electrifying claims dashed

We hear that鈥�

Antique clocks go nuclear

A longer-lasting silence of the genes

Email gives the game away

Stars’ violent death throes still defy explanation

Bursts are so last billennium

Technology

Safer, lighter, cooler

Technology

Phone that knows your touch

Technology

Add-on ads

Could water replace heat shield tiles?

Earth was a freak

Nicotine speeds the growth of lung cancers

Six legs do not an insect make

A click away from the earliest language

Sexing the brain

When dicynodont died

Starry trio

Breathe easier

Smells like evolution

Opinion

What lies beneath

A hidden resource as vital as the rainforests is being recklessly abused

When will the earth move?

Fear and grokking on the war crimes trail

The word liar

Humans

Washington diary

Features

Out on a limb

Thirty years of received wisdom about how embryos sprout limbs is under threat. Diane Martindale follows the struggle between the old guard and Young Turks of embryology

Reasonable doubt

The big brother effect

Night of the mosquito hunters

More

Computing’s holy grail

Designer of the American dream

It’s out there

Bestsellers – Berkeley

Sure of that?

Big dams all round

Starry life

Rising stars

Regulars

Feedback

This Week鈥檚 Letters

The last word

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22 February 2003

15 February 2003