Are crowd-control weapons dangerous? Very, says expert

Protests and demonstrations, like those erupting after the death of George Floyd, a black man who was killed when a white police officer in Minneapolis pressed his knee into Floyd's neck for nearly nine minutes, are a daily ...

Atomic fingerprint identifies emission sources of uranium

Uranium is not always the same: depending on whether this chemical element is released by the civil nuclear industry or as fallout from nuclear weapon tests, the ratio of the two anthropogenic, i.e. man-made, uranium isotopes ...

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