Thursday, February 14, 2013

Today on New Scientist: 14 February 2013

Sweat mutation may have helped us colonise Asia

A mutation in a single gene produced extra sweat glands in Asian people's skin, perhaps to help them keep cool in the warm and humid climate

Success comes from sticking with your monkey lover

Each day is Valentine's Day for owl monkeys - these paragons of monogamy can count the rewards of fidelity in the number of their offspring

Do get mad: The upside of anger

We think of it as a negative emotion, but used in the right way anger can improve your health, job prospects, relationships - and whole societies

How Facebook makes breaking up hard to do

Getting over a lost lover just gets harder when when you have a digital record of your relationship distributed all over the internet

Runaway stars to fill in the blanks in Milky Way map

Like flares sent up over a dense forest, stars booted from their home clusters can help astronomers trace the true shape of our home galaxy

Bacteria boost fixes symptoms of autism in mice

Replacing missing gut bacteria in a mouse model of autism improved repetitive behaviour and immune system problems

Mosh pit physics could aid disaster planning

An analysis of rock fans dancing reveals how people in a crowd move when emotions are running high, and may help us make buildings easier to evacuate

Largest fake prime number holds 300 billion digits

The biggest known pseudoprime was discovered using an algorithm that could help keep online transactions secure

Threatwatch: What the North Korean nuclear test means

Understanding why a tiny state that struggles to feed its people wants a nuclear bomb might help head off further bomb development

What we really know about human courtship

Enjoy what two insightful books have to say about mating intelligence and relationships - but don't park your scepticism just yet

The computer that never crashes

A revolutionary new computer based on the apparent chaos of nature can reprogram itself if it finds a fault

Horsemeat scandal should make us rethink how we eat

Forget food taboos and veterinary drugs, what really matters here is how we produce meat - and what meat we're prepared to eat

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