One readily noticeable pathognomonic trait of autism is hand-flapping—a stereotyped motor movement that can look a bit like an attempt to accelerating the drying of nail polish. Not all with autism do ...

We couldn't help noticing Cindy Overton of Des Moines at the recent Pigman Long. She stood just outside the entrance to transition, cheering on each and every triathlete who passed by. And with every ...

Clapping is both a scientific event and a social gesture. A study explores the complex physics behind the sound of clapping. The noise originates from compressed air, not just hand collisions.