Former Russian spies Alexander Litvinenko and Sergei Skripal were both poisoned – one polonium, the other by Novichok. Now that there's been another nerve agent case, what's the difference?
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Articles on Contamination
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Hundreds of people have been warned after former Russian spy Sergei Skripal was poisoned with Novichok nerve agent.
Natural disasters expose people to toxic gases, bacterial illness and other serious dangers. How can people maximize their safety as they return home?
When jetting off on holiday, we rarely give a second thought to what microbes we might be taking with us. But humans spread trillions of bacteria around the globe, potentially harming ecosystems' balance.
As Houston continues to rescue residents whose homes were ruined, it also begins to deal with issues related to contaminated floodwaters and overflowing reservoirs. It won't be easy.
Cassini is about to crash into Saturn to avoid contaminating its habitable moon Enceladus.
Highly-alkaline industrial waste is usually sent to landfill. But while it might be dangerous, it's also useful.
Water on Mars could mean life on Mars. But how do we explore it without destroying it?
Noodle brand was an instant hit in India but the wider issue the country must tackle won't be so quick to solve.
Engineers at Fukushima nuclear power plant have been trying to create a £185m ice wall to isolate contaminated water from mixing with groundwater. However, there has been a steady stream of news articles…
Soft cheeses made by Jindi were recently recalled in Victoria, after they were linked to the deaths of three adults, a miscarriage, and a score of other cases of “listeriosis”. The case is a reminder of…
Top contributors
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Professor of Medicine, Monash University
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Tom Ross is a Friend of The Conversation.
Associate Professor in Food Microbiology, Food Safety Centre, School of Land and Food, University of Tasmania
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Professor of Planetary Geosciences, The Open University
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Professor of Molecular Evolution, Macquarie University
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Senior Lecturer in Physical Geography, Sheffield Hallam University
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Associate Professor, Northumbria University, Newcastle
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Anne McLaren Research Fellow, University of Nottingham
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Senior Lecturer in Earth System Science, University of Hull
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Reader in Environmental Science, University of Hull
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Lecturer in Sustainable Chemistry, Bangor University
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Researcher in international law and humanitarian response, Harvard Humanitarian Initiative (HHI), Harvard University
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Professor, Centre for Research into Topical Drug Delivery and Toxicology, University of Hertfordshire
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Neil S. Grigg is a Friend of The Conversation.
Professor of Civil and Environmental Engineering, Colorado State University
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Faculty in Medical Toxicology, Brigham & Women's Hospital, Harvard University
