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Isotopes from weapons and the Chernobyl disaster were found in the Caucasus mountains

Environment

Glaciers contain radioactive isotopes from nuclear tests and accidents

Traces of nuclear weapons testing and accidents like Chernobyl have been found in glaciers around the world. It is unknown if they pose a risk to health

News

A person's legs are about to bound by BolaWrap

Technology

Gun that launches cord to wrap around assailant used for first time

News

drone with net

Technology

We have to find a way to stop drones disrupting airports

Insight

hazard suits

Technology

Handheld device could detect CRISPR bioweapons before they spread

News

sci fi weapons

Technology

Death rays: How the dream of an ultimate weapon became a dark farce

Features

Technology

President Trump says the US will pull out of a nuclear treaty

News

Reagan and Gorbachev

Technology

Trump pulling the US out of a nuclear treaty is anything but smart

Leader

Police investigate Novichok

Health

Novichok attack: Did Russian agents have enough poison to kill 4000?

Analysis

North Korea nukes the US in a Trump-bashing new thriller

Technology

North Korea nukes the US in a Trump-bashing new thriller

Culture

Is North Korea really scrapping its nuclear weapons programme?

Technology

Is North Korea really scrapping its nuclear weapons programme?

Satellite images taken on 20 July suggest North Korea may be dismantling two important features of its intercontinental ballistic missiles programme

News

Physics

Trump's meeting with Putin may have had a surprise nuclear twist

Analysis

Health

Novichok poisoning: How could it happen again in Salisbury?

News

Technology

Trump and Kim face off in Singapore summit

News

Technology

The US wants to build an X-ray bomb to destroy chemical weapons

News