The mathematics of symmetry
Features
This week's magazine
27 October 1990
Issue 1740
Editor's picks
Ozone, the burden of proof: Action to protect the ozone layer began long before scientists knew that there had been any damage. What proof do we need to write international treaties protecting the environment?
Features
Fungal warfare in the medicine chest
Features
Signs of change: A century of attempts to teach deaf children to speak has forced a living language underground. Now it is making a comeback
Features
The politics of climate, a long haul ahead: Next week, the world will attempt to lay down the ground rules for a climate treaty. This will be one more step on the tortuous path to international agreement. Effective action to halt global warming seems jus
Features
Table of contents
News
A new chimp virus?
News
Drift-net ban snagged by Britain
News
Nobel trophy for the hunters of the quark
News
The backward steps that led to chemistry laurels
News
Celltech breaks links with ailing research scheme
News
Animal researchers face fresh attack
News
Japan in two minds over greenhouse cuts
News
Carbon cuts cost ‘little or nothing’
News
HIV ‘encourages’ malaria and TB
News
Patents: Down the tube
News
Science: Cannibal snails are more likely to reach maturity
News
Technology
Technology: Battle looms for multimedia standards
News
Technology
Technology: Trial makes light of cable network
News
Technology
Technology: Single eye brings three dimensions to TV screens
News
Technology
Technology: Gene machine could speed up human genome project
News
Technology
Technology: Britain airs techniques for problem waste
News
Technology
Technology: Giant bin liner for Scottish waste
News
Patents: Stereo antinoise
News
Patents: Of Harvard mice and morals
News
Patents: Bombs away
News
Patents: Snowball meltdown
News
Science: Greenhouse effect drives geysers on Triton
News
Science: Helium unlocks the secret lurking in Africa’s deadly lake
News
Technology
Technology: Antarctic icebreaker buys time for research
News
Science: Second binary pulsar will put Einstein to the test
News
Science: Microbial brew may yield clues to vitamin deficiency
News
Patents: Saved by the belt
News
Science: Is winter the saddest time of the year?
News
Will substitute horn save rhinos’ skins?
News
Nuclear compensation
News
Genome a la carte
News
Nuclear warning
News
Telescope steals the limelight
News
Guilty medic
News
System shutdown
News
Tax-free frontier
News
Degree of change
News
Naval architects wrangle over cracked carriers
News
Science survives the congressional carving knife
News
AIDS in Africa: Zaire’s doctors take the initiative on AIDS
News
Opinion
Features
The mathematics of symmetry
Group theory is not just an esoteric branch of pure mathematics, it is an invaluable interpretive tool in scientific theory. Chemists use group theory to understand molecular structure, and physicists use it to...
Features
Ozone, the burden of proof: Action to protect the ozone layer began long before scientists knew that there had been any damage. What proof do we need to write international treaties protecting the environment?
Features
Fungal warfare in the medicine chest
Features
Signs of change: A century of attempts to teach deaf children to speak has forced a living language underground. Now it is making a comeback
Features
The politics of climate, a long haul ahead: Next week, the world will attempt to lay down the ground rules for a climate treaty. This will be one more step on the tortuous path to international agreement. Effective action to halt global warming seems jus
Features
More
Forum: Where were all the women? – American medical science has rediscovered half the human race
Forum: Stop telling us to stop it – Some firm advice for the medical profession
Forum: A red light against AIDS – Self-help among African prostitutes
Thistle Diary: Comment from Westminster – Schools for scientists?
Forum: The land of the sticking clock – Why Japan has no time for summer time
Forum: A frond farewell to bracken – The spin-offs of a hard graft
Review: Dinosaurs for trainspotters
Books & Arts
Review: Sperry sets his sites on the brain
Books & Arts
Review: Stars like grains of sand
Books & Arts
Review: Pictures of hope and despair
Books & Arts
Review: Towards a science of information
Books & Arts
Review: The Scorpion, a tale of a model sting
Books & Arts
