July 14, 2016 Ask Dr. Universe: How many colors can we see? PULLMAN, Wash. – The human eye can see millions and millions of colors. But believe it or not, some colors exist in our world that the human eye can’t see. color, Dr. Universe, eye, sight
October 27, 2015 Ask Dr. Universe: Do spiders have good eyesight? PULLMAN, Wash. – Most spiders have quite a few eyes, but they usually can’t see very well. Then again, seeing isn’t everything. Dr. Universe, eyes, perception, sight, spiders