Walking remains a popular form of exercise thanks to social media takes. There's hot girl walks, mental health walks, Japanese walking. Various studies have also highlighted the benefits of walking.

Birds make sounds to communicate, whether to find a potential mate, ward off predators, or just sing for pleasure. But the ...

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 ...