People who are colorblind may be missing a life-saving warning sign of bladder cancer. Analysis of the electronic health records of hundreds of people found that those with color vision deficiency ...

The human eye does not actually see purple, as purple is not a color on the visual spectrum. Purple is a combination of wavelengths from opposite extremes of the spectrum, which technically deosn’t ...

Vikki Velasquez is a researcher and writer who has managed, coordinated, and directed various community and nonprofit organizations. She has conducted in-depth research on social and economic issues ...