The finger’s sweat glands are amazing to watch There are a lot of tiny lines on fingertips and palm called epidermal ridges. The ducts of sweat glands is open on tops of the ridges causing prints that are left on a surface. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts Gender determination: More complicated than you thought That Couldn't Just Be Coincidence! Veterans Are Asked What a Nuclear Bomb Explosion Feels Like? Now Autonomous Vehicles Can Communicate with Human-Driven Vehicles Interesting Facts about the differences between the Deep Web and Dark Web What Is The Earth Worth?