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 ...

Modern American ballparks are surrounded by all the trappings of the fan experience: loud music, fried foods and cold beers, T-shirt guns, mascots dancing while the crowd sings about Cracker Jacks—and ...