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Editor's picks

After Einstein

Positive progress

Health

Beating the odds

World without AIDS

Health

Protect and survive

The shipwrecked tuna

Table of contents

News

What went wrong?

Investigators are struggling to explain the tragic loss of Columbia and its crew of seven. Their strongest theory suggests fuel tank debris wrecked its heat shield

Columbia’s luck finally runs out

After grief comes the realpolitik

Space station crew faces long wait

Banned insecticide lingers on for years if bugs in the soil are poisoned

SETI is about to get serious

Environment

US comes clean on nuclear legacy

Tower collapse theory challenged

Diseases are running rife in forest remnants

Blame tadpoles for hiccups

Mini craters are the key to making ‘blackest ever black’

We hear that鈥�

Lightning strikes release powerful X-ray bursts

Sinking salt heralds next El Ni帽o

Introducing Dr Webcam鈥�

Dad’s coochy-coos leave baby guessing

Modified cotton passes 10-year trial with flying colours

Technology

Power up your poncho

Technology

Coping with DVT

‘Indoor GPS’ to help droids find their feet in the home

Technology

No more junk downloads

Humans

Diseased brains attempt to repair themselves

Cracking a parasite

Girls just want to be on their own

Nanoballs to the rescue

Don’t add E to cannabis

Twins aren’t more likely

Adventurous fish

Opinion

The loss of Columbia

After the Challenger disaster safety became a priority. Or did it?

Take the money and hide

Hero or heretic?

The word aurophilicity

Humans

Westminster diary

Features

After Einstein

Our best description of space-time is cracking up. And even as special relativity falls apart, a controversial theory is poised to steal its crown, says David Harris

Positive progress

Health

Beating the odds

World without AIDS

Health

Protect and survive

The shipwrecked tuna

More

A consummate passion

Birdly paradise

Numbers crunched

The Hungry Gene: The science of fat and the future of thin by Ellen Ruppel Shell

Golden mouldies

Bestsellers – Amstersdam

Light in the darkness

Regulars

Feedback

This Week鈥檚 Letters

The last word

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1 February 2003

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21 December 2002