Digital black and white printing allows for extraordinary precision. With high-bit depth scanning and pigment-based inks, ...

Black semen is usually caused by hematospermia ... Sperm are responsible for fertilization. What semen color and texture is healthy? Clear, milky white, and cloudy gray semen that has a jelly ...

In the past, technology meant that photographs were black and white. Many people still choose to work in black and white because it can produce different effects to colour photography. Black and ...