From cars to food to cleaning services, there's almost nothing that smartphone users can't summon straight to their doors these days — and thanks to one new app, that includes personal bodyguards.

You see it on the news. You can feel it on the streets. There is no doubt there's a sense that it's less safe to go out in many cities without taking some extra precautions. More Americans are ...

What injuries can be expected due to a bullet impact on a helmet? How does a bullet, explosion or grenade (IED) affect the human body? What protection level is provided by bullet proof vests and how ...

More Americans own guns for personal protection than ever before, a new survey shows. Gun sales surged during the Covid-19 pandemic, as did gun-related deaths. In 2021, 48,830 people died from ...