In extreme cases, sonic weapons can cause nausea, dizziness, and even permanent damage. In this case, officials used it to ...

Darth Vader never said, “Luke I am your father.” So why do we all think he did? Here’s the science behind this strange phenomenon—and how AI is poised to send it into overdrive. Cape Town street art ...

What would "Star Wars" and the galaxy far, far away be without lightsabers? And what would lightsabers be without that ...

The S1 heart sound happens when the tricuspid and mitral valves close. A loud S1 may mean there is a problem with the heart, like mitral stenosis or tachycardia. Mitral stenosis is when the mitral ...