On this day in history: 250 years ago, John Dalton, the first scientist to formally describe the condition now known as colour blindness, was born. Michelle Starr is CNET's science editor, and she ...

While colour blindness is usually an inherited condition that can affect your ability to perceive colours, it can have a ...

Scott Harden can’t see rainbows. “When I look at a rainbow, I see two or maybe three colours, and they’re not evenly spaced out,” he says. So when scientific figures use a rainbow colour map, he finds ...

Color blindness, or color deficiency, causes difficulty telling different colors apart and may affect the shades and brightness of colors. Color deficiency can occur in females but is much less common ...

You may know someone who can’t tell the difference between specific colors — and there is a scientific reason it could be happening. The condition is known as color blindness. To share a better ...