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This week's magazine

17 July 2010

Issue 2769

New Scientist issue 2769 cover
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Editor's picks

Veggieworld: Why eating greens won't save the planet

Earth

Veggieworld: Why eating greens won't save the planet

Features
The secrets of laughter

The secrets of laughter

Features
Laughter's secrets: No funny business

Laughter's secrets: No funny business

Features
Laughter's secrets: The sound of a happy ape

Life

Laughter's secrets: The sound of a happy ape

Features
Laughter's secrets: GSOH not required

Life

Laughter's secrets: GSOH not required

Features
Laughter's secrets: The best medicine?

Health

Laughter's secrets: The best medicine?

Features
Laughter's secrets: Contagious chortling

Laughter's secrets: Contagious chortling

Features
Laughter's secrets: How to make a computer laugh

Technology

Laughter's secrets: How to make a computer laugh

Features
O<SUB>2</SUB>h no! Is our oxygen running out?

Earth

O2h no! Is our oxygen running out?

Features
Die young, live fast: The evolution of an underclass

Health

Die young, live fast: The evolution of an underclass

Features

Table of contents

News

Tyrannosaurs: history's most fearsome… scavengers?

Life

Tyrannosaurs: history's most fearsome… scavengers?

Arrows indicate some of the drag marks left by the teeth of the dinosaur, with their orientation indicated by the arrows' directions This female T. rex, called Samson, was discovered in 1987 The terrible lizards were not above scavenging for a free lunch, it seems. Tooth marks found on the humerus of a plant-eating dinosaur …

News

Earth

Soaring Arctic temperatures – a warning from history

News

Earth

Law of hurricane power discovered

News

Technology

Innovation: Shrewd search engines know what you want

News

Life

Mongooses who can, teach

News

Technology

Reconstructed: Archimedes's flaming steam cannon

News

Technology

Picture puzzles separate human from machine

News

Earth

Climate scientists respond to 'climategate' report

News

Health

Final ruling on controversial diabetes drug

News

Health

Cholesterol screening for US children could save lives

News

Deepwater wellhead gets new top hat

News

Earth

Fish certification scheme shows its true colours

News

60 Seconds

News

Space

Heart of darkness could explain sun mysteries

News

Life

Want to get off to sleep? Ask your astrocytes nicely

News

Earth

Let there be night, for wildlife's sake

News

Life

Quantum entanglement holds together life's blueprint

News

Health

'Cuddle chemical' eases symptoms of schizophrenia

News

Health

Bit of a crybaby? Blame your serotonin levels

News

Life

Chew on this: thank cooking for your big brain

News

Single-star count ups odds of aliens

News

Health

Depression makes the world look dull

News

Technology

Brain implants evolved to use less energy

News

Technology

Artificial gut frees sewage-eating robot from humans

News

Technology

Silicon chip speed record broken on a lead-coated track

News

Technology

Cheap drones could replace search-and-rescue choppers

News

Space

Smoke-detector isotope to power space probes

News

Opinion

Out with pink and blue: Don't foster the gender divide

Life

Out with pink and blue: Don't foster the gender divide

The difference between boys and girls lessens when it comes down to their academic skills IN 2010 we need to ask afresh just how deep the rabbit hole goes when it comes to gender politics – and how far we are from digging ourselves out. Our beliefs about differences between the sexes have an impact …

Opinion

Without candour, we can't trust climate science

Opinion

Why biology should inform social policy

Opinion

Earth

An evil atmosphere is forming around geoengineering

Opinion

Space

Astronaut for hire: Space tourism will help science

Opinion

Features

Veggieworld: Why eating greens won't save the planet

Earth

Veggieworld: Why eating greens won't save the planet

What’s the beef with meat? IF YOU'RE a typical westerner, you ate nearly 100 kilograms of meat last year. This was almost certainly the costliest part of your diet, especially in environmental terms. The clamour for people to eat less meat to save the planet is growing ever louder. "Less meat = less heat", proclaimed …

Features

The secrets of laughter

Features

Laughter's secrets: No funny business

Features

Life

Laughter's secrets: The sound of a happy ape

Features

Life

Laughter's secrets: GSOH not required

Features

Health

Laughter's secrets: The best medicine?

Features

Laughter's secrets: Contagious chortling

Features

Technology

Laughter's secrets: How to make a computer laugh

Features

Earth

O2h no! Is our oxygen running out?

Features

Health

Die young, live fast: The evolution of an underclass

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 1604

From primes to squares Harry has been looking for 5-digit perfect squares that can be read (in any order) as a 1-digit prime and two 2-digit primes. He knows that 1 is not a prime. 31329 (177 2 ) qualifies in two ways, since the primes could be 3, 13, 29 or 31, 3, 29. …

Regulars

Malaria, the killer that won't go away

Books & Arts

A psychologist inside the mind of suicide bombers

Books & Arts

The discovery of energy

Books & Arts

Strange facts from the far side of research

Books & Arts

When the ice caps melt

Books & Arts

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.

Pray now to get better yesterday

Pray now to get better yesterday QUITE why David Kemmish was looking for studies on the medical effects of prayer we do not know, but we are as delighted as he was to be reminded of the nine-year-old paper "Effects of remote, retroactive intercessory prayer on outcomes in patients with bloodstream infection: randomised controlled trial" …

Regulars

Regulars

Letters

Regulars

The last word

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