Let's cut to the chase.

Sandpaper is another great tool to sharpen scissors at home. Just cut a strip of sandpaper (medium grit) and fold it in half ...

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.

This article originally appeared on MIT Press Reader. This is an excerpt from veteran game designer Greg Costikyan’s book “Uncertainty in Games.” Unless you have lived in a Skinner box from an early ...