Health

Active shooter study: Semi-automatic rifles more deadly

Active shooters with semi-automatic rifles wound and kill twice as many people as those using non-automatic weapons, although chances of dying if hit in either type of assault are the same, a new analysis shows.

Other

Explainer: What is VX nerve agent and how does it work?

The substance that could be responsible for the death Kim Jong-nam, the half-brother of the North Korean leader Kim Jong-un, was the VX nerve agent, according to preliminary reports from Malaysian police.

Neuroscience

Nerve agents—what are they and how do they work?

The former Russian spy Sergei Skripal and his daughter are in a critical condition in a hospital in Salisbury, UK, following exposure to an unknown nerve agent. Several locations in the city have been cordoned off and decontaminated ...

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