The part of our eyes we use to see fine detail, and to read, is actually very limited: an angle of five degrees at the center of our field of vision.
Make sure to have the proper eyewear for the August 21st solar eclipse.
Why doesn't your dog notice his dark green toy on your dark red rug?
You probably have noticed that cats have slit pupils and humans have round pupils. What are the advantages of each pupil shape?
With three simple ingredients, a red, a green, and a blue spotlight, you can make any color of the rainbow. Learn more on this Moment of Science.
How do cold blooded fish stay warm in the frigid ocean? Learn more on this Moment of Science.