Latest Aristotle Stories
By Bill Sones and Rich Sones Ph.D. Question: Why do casinos stay open all night? Are there sound neuroscientific reasons for this? Answer: You can bet on it. Evidence shows that sleep enhances memory, even just a brief nap of six minutes, says John Whitfield in Scientific American magazine.
The Sage Encyclopedia of Social Science Research Methods. Ed. by Michael S. Lewis-Beck, Alan Bryman, and Tim Futing Liao. Thousand Oaks, Calif.: Sage, 2004. 3 vols. $550 (ISBN O-7619-2363-2).
- A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.