It's leaving participants (including the test developer and his spouse) divided. Color perception is different for all of us.

The universe is full of phenomena that have seemed unexplainable to human beings, but only until science had an answer for it ...

It's about the way that humans see the world, and how until we have a way to describe something, even something so fundamental as a color, we may not even notice that it's there. Until relatively ...

So my students are often surprised when I tell them that St. Patrick’s Day was once a solemn feast day when you’d be far more likely to see the color blue. In fact, there’s even a color ...

The answer is that water really is blue, but only very faintly. You need a huge amount of it in one place to see the colour at all. As light travels into water, all the red and green light (all ...