Focus on the green dot and you just might learn something.
Your brain is pretty remarkable when it comes to deciphering colors, but it does have the ability to play tricks on you.
This video from the folks at AsapSCIENCE demonstrates the effect of afterimaging, which happens when the cones in your eyes become fatigued as their supply of photopigment is exhausted and photo signals to the brain halt.
After a quick color test, the video proceeds to a crash course on all things color and your brain. Why do bananas appear yellow? Why are plants green, but not flowers? Is the color on your computer screen really what you think it is? Check out the video above to find out.