The authoritative guide to ensuring science and technology make life on Earth better, not worse.

Explain This

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What the future may hold for the Strategic National Stockpile for Biodefense

By Dina Weilhammer, Thomas Bates | Analysis, Biosecurity, Explain This, Technology and Security

Can Chinese banks identify North Korean sanctions evaders?

By Aaron Arnold | Explain This, Nuclear Weapons, Special Topics

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What does “nuclear terrorism” really mean?

By Elisabeth Eaves | Explain This, Nuclear Weapons

Five takeaways from the IAEA’s report on the military dimensions of Iran’s nuclear program

By Martin B. Malin | Explain This, Nuclear Weapons

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The global warming “hiatus”

By Dawn Stover | Climate Change, Explain This

Why Russia calls a limited nuclear strike “de-escalation”

By Nikolai N. Sokov | Explain This, Nuclear Weapons

Converting a civilian enrichment plant into a nuclear weapons material facility

By Ivanka Barzashka | Explain This, Nuclear Weapons

How to destroy chemical weapons

By Paul F. Walker | Biosecurity, Explain This, Technology and Security

Nuclear plant decommissioning

By Dave Lochbaum | Explain This, Nuclear Energy

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De-alerting nuclear forces

By Hans M. Kristensen, Matthew McKinzie | Explain This, Nuclear Weapons

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Subcritical experiments

By Frank von Hippel | Explain This, Nuclear Weapons