Rainbows may look like they touch the ground somewhere off in the distance, but it's physically impossible for the viewer to reach the spot where it touches. Learn why in this episode of BrainStuff.
BrainStuff
2,611 clip(s)
What Happens When Your Immune System Turns on You?
How Can Slime Mold Think Without a Brain?
What's the Difference Between Cougars, Pumas, and Mountain Lions?