Remember that dress that people either saw as white and gold or blue and black? Well there is another frenzy over the colour of pills this time. A picture widely distributed on social media platforms ...

The new illusion involves pills and whether or not you see them ... Offering the example of vision, Abrash said that as humans have just three colour sensors, we can't see infrared or ultraviolet ...

One example is pharmaceuticals. Drugmakers are interested in what color psychology research says about the therapeutic values of pill colors. Red pills are associated with stimulants and blue ...