For millennia, people have suffered from bunions, a painful condition that’s uniquely human. Here’s why—and how to ease the pain. A colored x-ray image highlights bunions in the feet of a 54-year-old ...
NASA astronaut [Don Pettit] shared a short video from an experiment he performed on the ISS back in 2012, demonstrating the effects of sound waves on water in space. Specifically, seeing what happens ...