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Who's afraid of radiation? from New Scientist - Online News (2010-8-4 1:33)

Our attitude to ionising radiation is irrational, and easing safety limits would do far more good than harm, says Wade Allison

If an epidemic of diarrhoeal and respiratory disease does strike Pakistan in the wake of devastating floods, it would be a rare case

As the big day approaches, I'm wondering whether there is anything that will help me cope with the inevitable pain of giving birth

Packing for Mars: The curious science of life in the void by Mary Roach explores the many eccentric challenges of putting humans into space

The US National Research Council has flagged weaknesses in the US's ability to track down who is responsible if a nuclear bomb should hit the country

Expensive equipment can create light pulses so short they can freeze images of moving electrons– now the same thing has been achieved more affordably

You may have beaten the odds to secure a training place to become an astronaut– but space is still a long way off

Injections containing material derived from stem cells may help people with acute spinal cord damage recover function

The Census of Marine Life has published its reports on life in key regions of the sea. We look at seven of the most diverse

Though they swing through the forest canopy, these energy-thrifty apes burn fewer calories by body weight than your average human couch potato