Why Do Some Drugs Make Your Pupils Wider? How do your pupils work and why do some substances make them dilate? Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts Did You Know Any Object Can Levitate Magnetically? The Science of How Nike Nearly Cracked the Two-Hour Marathon Is there a limit to technological progress? Neil deGrasse Tyson on AI killer robots Egyptian Blue: How an Ancient Pigment Could Save Lives Was Einstein Wrong About The Speed Of Light?