Online color blindness tests may give people an idea of whether they may be color blind and if so, which type of color blindness they might have. This information comes from the National Eye Institute ...

Anyone who's ever stared in desperation at a paint colour chart will know that telling shades apart is not always the easiest task. Due to our biological differences, some people seem to have no ...

Optical illusions have a way of tricking our brains in ways that you can't even imagine. These mind-bending images may look different at first glance, while a whole new perspective opens up once you ...