Chemical weapons in civilian attacks;: Novichok decontamination work in the area where Sergei and Yulia Skripal were found poisoned and unconscious in Salisbury, UK. Shutterstock/Amani A

It’s the right time to review the world’s chemical weapons convention

The use of chemical weapons has shifted from the battlefield to attacks on civilian targets. Time to rethink the convention that prohibits their use.
Mass spectrometry will identify those explosive molecules. Marcia Cirillo/Flickr

The science of airport bomb detection: mass spectrometry

You’ve probably had your hand luggage swabbed after walking through the metal detector at the airport. Whatever molecules were picked up by the swab have been separated using gas chromatography. So how…
You have gas chromatography and mass spectrometry to thank for keeping you safe from explosives in air travel. Dustin Ground/Flickr

The science of airport bomb detection: chromatography

As the holidays draw near, many of us will hop on a plane to visit friends and family – or just get away from it all. Some will be subjected to a swab at the airport to test clothes and baggage for explosives…
Nuclear power and nuclear weapons: what’s the difference? Patrik Hermansson

Debunking myths on nuclear power (it’s not for making bombs)

It is the received wisdom that nuclear weapons and nuclear power are inseparable. Consequently, any country that builds a civilian nuclear power station is able to build an atomic bomb within a couple…
Don’t be confused: here’s the difference between radiation and radioactivity. Mob Mob

Explainer: the difference between radiation and radioactivity

On the weekend, a tank of radioactive material leaked from the closed Ranger uranium mine in the Northern Territory. While this has prompted concerns about the health of the surrounding Kakadu National…
Nine years after his death, Yasser Arafat’s remains have produced even more questions. Magh

Arafat may have been poisoned, but what is polonium?

A Swiss forensic report of the exhumed remains of ex-Palestinian leader Yasser Arafat today suggests polonium poisoning may have been the cause of death – but what is polonium, and why is it so deadly…
The huge task of locating and disposing of Syria’s chemical weapons has begun … so what will inspectors look for? EPA/Lucie Parsaghian

Seek and destroy: dismantling Syria’s chemical weapon stockpile

A team of inspectors from the United Nations and Organisation for the Prohibition of Chemical Weapons (OPCW) entered Syria on Tuesday to begin the long task of finding and disposing of the country’s chemical…
UN inspectors will face several problems determining what has happened in Damascus. EPA/STR

Chemical weapons in Syria: who, what, where, when, why?

It’s been a little more than a week since reports surfaced of a large-scale chemical weapon attack in Syria. Governments in Europe and the United States have accused the Syrian government of attacking…

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