Here are six new lateral thinking puzzles -- play along with us as we try to untangle some perplexing situations using yes-or-no questions. Here are the sources for this week's puzzles. In a few places we've included links to further information -- these contain spoilers, so don't click until you've listened to the episode: Puzzle #1 is adapted from an item that Sharon heard on the podcast No Such Thing as a Fish. Here are two corroborating links. Puzzle #2 is from listener Simon Grimes. Puzzle #3 is from listener Jean-Yves. Here's a corroborating link. Puzzle #4 is from Kyle Hendrickson's 1998 book Mental Fitness Puzzles. Puzzle #5 is from listener Alex Baumans. Puzzle #6 is adapted from W.S. Anglin's 1994 book Mathematics: A Concise History and Philosophy. You can listen using the player above, download this episode directly, or subscribe on iTunes or Google Play Music or via the RSS feed at http://feedpress.me/futilitycloset. Please consider becoming a patron of Futility Closet -- on our Patreon page you can pledge any amount per episode, and we've set up some rewards to help thank you for your support. You can also make a one-time donation on the Support Us page of the Futility Closet website. If you have any questions or comments you can reach us at podcast@futilitycloset.com. Thanks for listening!