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This week's magazine

21 November 2009

Issue 2735

New Scientist issue 2735 cover
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Editor's picks

Orion's dark secret: Violence shaped the night sky

Space

Orion's dark secret: Violence shaped the night sky

Features
Scuba diving to the depths of human history

Earth

Scuba diving to the depths of human history

Features
Medibots: The world's smallest surgeons

Technology

Medibots: The world's smallest surgeons

Features
The race to build a 1000 mph car

Technology

The race to build a 1000 mph car

Features

Table of contents

News

New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Technology

Piezoelectronics gets green makeover

A new generation of lead-free piezoelectric materials could lead to greener actuators, sensors and even ultra-dense data storage. The new materials, which generate an electric field when squeezed, copy the crystal structure of conventional piezoelectric materials but use bismuth instead of lead. Since the EU banned lead (see Uncovering the hazards in our electronic gadgets …

News

Earth

Bangladesh mass poisoning mystery solved

News

Earth

Copenhagen – how the Danes will salvage a deal

News

Fears over 'own goal' HIV vaccine revived

News

Impact reveals lunar water by the bucketful

News

Tasers safer than batons and fists

News

Health

US could ban caffeine-alcohol drinks within months

News

Earth

Low-carbon road map for China

News

NASA seeks its one true glove

News

60 Seconds

News

Earth

Four ways to feed the world

News

Life

Vaccine quest boosted by HIV that infects monkeys

News

Limp reception for female 'libido drug'

News

Space

Ripples in space divide classical and quantum worlds

News

Health

Crohn's blamed on lazy immune cells

News

Earth

Greenland ice loss behind a sixth of sea-level rise

News

Space

Dark galaxy crashing into the Milky Way

News

Failed stellar bombs hint at supernova tipping point

News

Balearic goats could grow slow

News

Toddlers insensitive to fear go on to commit crimes

News

Signature of consciousness captured in brain scans

News

Paradox lost: molecular collisions kept early Earth warm

News

Space

Birthplace of cosmic guitar pinpointed

News

Technology

Future colliders: Beyond the LHC

News

Technology

'Holographic' videoconferencing moves nearer to market

News

Technology

Time-travelling browsers navigate the web's past

News

Earth

US bets $150m on high-risk renewable energy

News

Technology

Robot arm opens doors for wheelchair users

News

Technology

Contact lenses to get in-built virtual graphics

News

Technology

Dumb code could stop computer viruses in their tracks

News

Opinion

New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Copenhagen talks are still crucial

WHEN a meeting is billed as determining the future of humanity, few will be surprised if it fails to live up to expectations. And so it is proving with next month's climate change conference in Copenhagen: the Danish government has announced that time has run out on the possibility of delegates securing a watertight successor …

Opinion

Getting to the heart of robotic surgery

Opinion

A spectacle to inspire engineers of the future

Opinion

Space

Is this the end for human space flight?

Opinion

Health

Paul Matts: The secrets of looking young

Opinion

Earth

Melting Arctic: Forget polar bears, worry about humans

Opinion

Features

Orion's dark secret: Violence shaped the night sky

Space

Orion's dark secret: Violence shaped the night sky

Dark forces at work (Image: Andy Martin WHERE will astronomers stop in their love affair with the enigmatic substance called dark matter ? First we were told it was essential to allow a galaxy to spin without falling apart. Then it was the glue that held clusters of galaxies together. Later it was said to …

Features

Earth

Scuba diving to the depths of human history

Features

Technology

Medibots: The world's smallest surgeons

Features

Technology

The race to build a 1000 mph car

Features

More

New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Enigma Number 1572

Just magic Joe has been showing Penny how to calculate the numbers in a 3-by-3 magic square. Each row, column and main diagonal have the same totals. On the left is Penny's first effort. But she thought it would make a good puzzle if all but one number were in the wrong position. Which number …

Regulars

How our brains learned to read

Books & Arts

Grigori Perelman: The genius in hiding

Books & Arts

Everything you wanted to know about sex (and death)

Books & Arts

The odd couples of the animal world

Books & Arts

Life

Pickled evidence for evolution

Books & Arts

Careers in climate change

Careers

What's hot on NewScientist.com

Regulars

Competition winners: Track your trash

Regulars

Regulars

New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Silent mosquitoes: the horror

Darwin Now competition – the winner THANKS to everybody who entered our Darwin Now competition. We asked you to come up with ways in which animals and plants might evolve under human influence, much as hedgehogs have evolved not to freeze in car headlights. Many entrants picked up the hedgehog and ran with it (so …

Regulars

Regulars

Letters

Regulars

The last word

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