Will we catch a falling star?: There are many asteroids out there in space, and the chances are that sooner or later one will head for Earth. But no one knows what to do if we find ourselves on collision course
Features
This week's magazine
On the cover
Editor's picks
Why small is sometimes sexy: In the struggle to reproduce, we usually think of the biggest, strongest males as being most likely to succeed. But in species where it is hard to find a mate, it may pay to be a wimp
Features
The parching of prehistoric North America
Features
Poisoned plumes: Across the US, environmentalists are protesting against rocket launches. Toxic exhaust fumes from rockets packed with solid propellant attract the greatest concern
Features
South Africa takes the apartheid out of power: Although more than half the electricity generated in all Africa is produced in South Africa, most of the country's black people have no power supply. But things are changing
Features
Table of contents
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Technology
Technology: Japan's thinking computer goes on show
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Technology
Technology: Baby translator masters 400 words
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Technology
Technology: Rapid recharge for batteries in Nissan's electric car
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Technology
Technology: Meter measures oil flow at the bottom of the sea
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Science: Antarctic gold dust
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Science: Pulsar 'cannibalised' another star's planets
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Science: Fourth neutrino: theory leaves cosmology intact
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Science: Chemists play with molecular cages
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Science: Volcanic dust threatens the ozone layer
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Science: Wormholes open a gateway to other worlds
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At the BA: Cool cauliflower faces the frost
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At the BA: Patent problem
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At the BA: Lean times
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At the BA: Designs on diabetes
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At the BA: Why a nation's Health is patently obvious - Science came to life in the southwest last week when the British Association for the Advancement of Science returned to Plymouth. 51¶¯Âþ concludes its coverage of the annual science festival
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At the BA: Blooming algae warm the world
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At the BA: Lazy lecturers hide behind their slides
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At the BA: Phantom allergies
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At the BA: Rural risks
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At the BA: Two-tier physics?
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Beet and wheat to fuel Dutch buses
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Genome funds 'wasted' on patents
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At the BA: Dinosaur detectives - Science came to life in the southwest last week when the British Association for the Advancement of Science returned to Plymouth. 51¶¯Âþ concludes its coverage of the annual science festival
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At the BA: How practice makes the perfect genius
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At the BA: No way up for young scientists - Science came to life in the southwest last week when the British Association for the Advancement of Science returned to Plymouth. 51¶¯Âþ concludes its coverage of the annual science festival
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Inside the barrel of Iraq's next supergun
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Dirty cities head Brazil's environmental ills
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North and South divided on environment charter
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Sellafield may be a graveyard for high-level waste
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Koreans cross the 39th parallel
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Calls for tougher pact on biological weapons
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Stalemate in battle between man and machine?
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Will Gaddafi's great river run dry?
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Dolphin epidemic spreads to Greece
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Opinion
Features
Will we catch a falling star?: There are many asteroids out there in space, and the chances are that sooner or later one will head for Earth. But no one knows what to do if we find ourselves on collision course
Features
Why small is sometimes sexy: In the struggle to reproduce, we usually think of the biggest, strongest males as being most likely to succeed. But in species where it is hard to find a mate, it may pay to be a wimp
Features
The parching of prehistoric North America
Features
Poisoned plumes: Across the US, environmentalists are protesting against rocket launches. Toxic exhaust fumes from rockets packed with solid propellant attract the greatest concern
Features
South Africa takes the apartheid out of power: Although more than half the electricity generated in all Africa is produced in South Africa, most of the country's black people have no power supply. But things are changing
Features
More
Thistle Diary: Protection full fathom five - Comment from Westminster
Forum
Forum: Getting to grips with left-handed yoghurt - Optical isomers in a new light
Forum
Forum: Credits where credits are due - An extra source of funds for research
Forum
Review: Animals: a matter of life and death
Books & Arts
Forum: Conflict looms over troubled waters - Who is paying for the water to be drawn from the well
Forum
Forum: Genetics as it is spoken - The link between genes and language
Forum
Review: Getting the facts across
Books & Arts
Review: Better described as a 'great uncle'
Books & Arts
Review: Forerunners to the forecast factory
Books & Arts
Review: A visual joy ride
Books & Arts
Review: Changing face of innovation
Books & Arts
Review: Prevention is the name of the game
Books & Arts
Talking Point: What we must do to save the planet
Forum
