There is no such thing as “black light wavelength”—so why do black T-shirts, black crayons, and black marking pens look black? Investigate a variety of black ink markers, and find out why they look ...

A few years ago, I opened my dryer to fold a load of laundry, only to discover that the entire load was stained with markings from a black crayon. It turns out my daughter left one in her pocket, and ...

SUPERIOR — The children in second and third grade at Cathedral School created art for fall using different media and ...