In our long ago childhoods, that question was asked daily by stunned frontier townspeople, after the masked man, having foiled a bad man, shouted “Hi ho, Silver!” and rode off on his white horse, ...

Pictured is Agroecotettix silverheelsi, a newly described grasshopper from Texas named in honor of Jay Silverheels, an early Native American actor. Mississippi State’s JoVonn Hill, director of ...