Rock paper scissors feels random until you understand that most people play it with their subconscious, not their brain. This ...

Add Yahoo as a preferred source to see more of our stories on Google. Sure, sharpened scissors move through materials more easily and smoothly and will provide consistent results when cutting fabric, ...

Dr. Elizabeth Yuko is a bioethicist and adjunct professor of ethics at Fordham University. She has written for The New York Times, The Washington Post, The Atlantic, Rolling Stone, CNN & Playboy.